Home / 102,171.92-141,003.59-56,860.02

Finding the Fourth Proportional to 102,171.92, 141,003.59 and 56,860.02

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Solution

The fourth proportional to 102,171.92, 141,003.59 and 56,860.02 is: 78,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,171.92 : 141,003.59 = 56,860.02 : x
  2. Step 2: Convert to fraction form
    102,171.92/141,003.59 = 56,860.02/x
  3. Step 3: Cross multiply
    102,171.92x = 141,003.59 × 56,860.02
  4. Step 4: Simplify right side
    102,171.92x = 8,017,466,663.17
  5. Step 5: Solve for x
    x = 8,017,466,663.17/102,171.92
  6. Step 6: Final answer
    x = 78,470.36

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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.