Home / 281,721.74-422,598-71,361.50

Finding the Fourth Proportional to 281,721.74, 422,598 and 71,361.50

Calculator

Solution

The fourth proportional to 281,721.74, 422,598 and 71,361.50 is: 107,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,721.74 : 422,598 = 71,361.50 : x
  2. Step 2: Convert to fraction form
    281,721.74/422,598 = 71,361.50/x
  3. Step 3: Cross multiply
    281,721.74x = 422,598 × 71,361.50
  4. Step 4: Simplify right side
    281,721.74x = 30,157,227,177
  5. Step 5: Solve for x
    x = 30,157,227,177/281,721.74
  6. Step 6: Final answer
    x = 107,046.15

Related Problems

Find fourth proportional to 140,860.87, 211,299 and 35,680.75
Half scale
Find fourth proportional to 563,443.48, 845,196 and 142,723
Double scale
Find fourth proportional to 281,722.74, 422,599.50 and 71,362.50
Similar ratio
Find fourth proportional to 422,582.61, 633,897 and 107,042.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.