Home / 205,279.47-307,320.06-136,967.15

Finding the Fourth Proportional to 205,279.47, 307,320.06 and 136,967.15

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Solution

The fourth proportional to 205,279.47, 307,320.06 and 136,967.15 is: 205,050.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,279.47 : 307,320.06 = 136,967.15 : x
  2. Step 2: Convert to fraction form
    205,279.47/307,320.06 = 136,967.15/x
  3. Step 3: Cross multiply
    205,279.47x = 307,320.06 × 136,967.15
  4. Step 4: Simplify right side
    205,279.47x = 42,092,753,898.16
  5. Step 5: Solve for x
    x = 42,092,753,898.16/205,279.47
  6. Step 6: Final answer
    x = 205,050.97

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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.