Home / 257,240.52-385,887.50-70,252

Finding the Fourth Proportional to 257,240.52, 385,887.50 and 70,252

Calculator

Solution

The fourth proportional to 257,240.52, 385,887.50 and 70,252 is: 105,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,240.52 : 385,887.50 = 70,252 : x
  2. Step 2: Convert to fraction form
    257,240.52/385,887.50 = 70,252/x
  3. Step 3: Cross multiply
    257,240.52x = 385,887.50 × 70,252
  4. Step 4: Simplify right side
    257,240.52x = 27,109,368,650
  5. Step 5: Solve for x
    x = 27,109,368,650/257,240.52
  6. Step 6: Final answer
    x = 105,385.30

Related Problems

Find fourth proportional to 128,620.26, 192,943.75 and 35,126
Half scale
Find fourth proportional to 514,481.04, 771,775 and 140,504
Double scale
Find fourth proportional to 257,241.52, 385,889 and 70,253
Similar ratio
Find fourth proportional to 385,860.78, 578,831.25 and 105,378
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.