Home / 108,217.13-149,339.17-60,470.47

Finding the Fourth Proportional to 108,217.13, 149,339.17 and 60,470.47

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Solution

The fourth proportional to 108,217.13, 149,339.17 and 60,470.47 is: 83,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,217.13 : 149,339.17 = 60,470.47 : x
  2. Step 2: Convert to fraction form
    108,217.13/149,339.17 = 60,470.47/x
  3. Step 3: Cross multiply
    108,217.13x = 149,339.17 × 60,470.47
  4. Step 4: Simplify right side
    108,217.13x = 9,030,610,061.57
  5. Step 5: Solve for x
    x = 9,030,610,061.57/108,217.13
  6. Step 6: Final answer
    x = 83,448.99

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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.