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Finding the Fourth Proportional to 113,062.83, 169,545.03 and 56,867.86

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Solution

The fourth proportional to 113,062.83, 169,545.03 and 56,867.86 is: 85,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,062.83 : 169,545.03 = 56,867.86 : x
  2. Step 2: Convert to fraction form
    113,062.83/169,545.03 = 56,867.86/x
  3. Step 3: Cross multiply
    113,062.83x = 169,545.03 × 56,867.86
  4. Step 4: Simplify right side
    113,062.83x = 9,641,663,029.74
  5. Step 5: Solve for x
    x = 9,641,663,029.74/113,062.83
  6. Step 6: Final answer
    x = 85,277.04

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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.