Home / 100,884.02-139,275.90-60,607.71

Finding the Fourth Proportional to 100,884.02, 139,275.90 and 60,607.71

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Solution

The fourth proportional to 100,884.02, 139,275.90 and 60,607.71 is: 83,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,884.02 : 139,275.90 = 60,607.71 : x
  2. Step 2: Convert to fraction form
    100,884.02/139,275.90 = 60,607.71/x
  3. Step 3: Cross multiply
    100,884.02x = 139,275.90 × 60,607.71
  4. Step 4: Simplify right side
    100,884.02x = 8,441,193,357.19
  5. Step 5: Solve for x
    x = 8,441,193,357.19/100,884.02
  6. Step 6: Final answer
    x = 83,672.26

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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.