Home / 102,730.32-141,784.11-62,456.70

Finding the Fourth Proportional to 102,730.32, 141,784.11 and 62,456.70

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Solution

The fourth proportional to 102,730.32, 141,784.11 and 62,456.70 is: 86,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730.32 : 141,784.11 = 62,456.70 : x
  2. Step 2: Convert to fraction form
    102,730.32/141,784.11 = 62,456.70/x
  3. Step 3: Cross multiply
    102,730.32x = 141,784.11 × 62,456.70
  4. Step 4: Simplify right side
    102,730.32x = 8,855,367,623.04
  5. Step 5: Solve for x
    x = 8,855,367,623.04/102,730.32
  6. Step 6: Final answer
    x = 86,200.14

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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.