Home / 138,253.13-207,168.43-93,107.55

Finding the Fourth Proportional to 138,253.13, 207,168.43 and 93,107.55

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Solution

The fourth proportional to 138,253.13, 207,168.43 and 93,107.55 is: 139,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,253.13 : 207,168.43 = 93,107.55 : x
  2. Step 2: Convert to fraction form
    138,253.13/207,168.43 = 93,107.55/x
  3. Step 3: Cross multiply
    138,253.13x = 207,168.43 × 93,107.55
  4. Step 4: Simplify right side
    138,253.13x = 19,288,944,489.11
  5. Step 5: Solve for x
    x = 19,288,944,489.11/138,253.13
  6. Step 6: Final answer
    x = 139,519.05

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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.