Home / 259,406.25-357,986.09-146,229

Finding the Fourth Proportional to 259,406.25, 357,986.09 and 146,229

Calculator

Solution

The fourth proportional to 259,406.25, 357,986.09 and 146,229 is: 201,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,406.25 : 357,986.09 = 146,229 : x
  2. Step 2: Convert to fraction form
    259,406.25/357,986.09 = 146,229/x
  3. Step 3: Cross multiply
    259,406.25x = 357,986.09 × 146,229
  4. Step 4: Simplify right side
    259,406.25x = 52,347,948,320.18
  5. Step 5: Solve for x
    x = 52,347,948,320.18/259,406.25
  6. Step 6: Final answer
    x = 201,799.10

Related Problems

Find fourth proportional to 129,703.13, 178,993.05 and 73,114.50
Half scale
Find fourth proportional to 518,812.50, 715,972.19 and 292,458
Double scale
Find fourth proportional to 259,407.25, 357,987.47 and 146,230
Similar ratio
Find fourth proportional to 389,109.38, 536,979.14 and 219,343.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.