Home / 102,217.86-141,062.24-56,896.34

Finding the Fourth Proportional to 102,217.86, 141,062.24 and 56,896.34

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Solution

The fourth proportional to 102,217.86, 141,062.24 and 56,896.34 is: 78,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,217.86 : 141,062.24 = 56,896.34 : x
  2. Step 2: Convert to fraction form
    102,217.86/141,062.24 = 56,896.34/x
  3. Step 3: Cross multiply
    102,217.86x = 141,062.24 × 56,896.34
  4. Step 4: Simplify right side
    102,217.86x = 8,025,924,605.13
  5. Step 5: Solve for x
    x = 8,025,924,605.13/102,217.86
  6. Step 6: Final answer
    x = 78,517.83

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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.