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Finding the Fourth Proportional to 192,472.71, 265,618.22 and 107,593.35

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Solution

The fourth proportional to 192,472.71, 265,618.22 and 107,593.35 is: 148,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,472.71 : 265,618.22 = 107,593.35 : x
  2. Step 2: Convert to fraction form
    192,472.71/265,618.22 = 107,593.35/x
  3. Step 3: Cross multiply
    192,472.71x = 265,618.22 × 107,593.35
  4. Step 4: Simplify right side
    192,472.71x = 28,578,753,572.87
  5. Step 5: Solve for x
    x = 28,578,753,572.87/192,472.71
  6. Step 6: Final answer
    x = 148,482.11

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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.