Home / 137,381.82-206,102.12-42,609.92

Finding the Fourth Proportional to 137,381.82, 206,102.12 and 42,609.92

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Solution

The fourth proportional to 137,381.82, 206,102.12 and 42,609.92 is: 63,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,381.82 : 206,102.12 = 42,609.92 : x
  2. Step 2: Convert to fraction form
    137,381.82/206,102.12 = 42,609.92/x
  3. Step 3: Cross multiply
    137,381.82x = 206,102.12 × 42,609.92
  4. Step 4: Simplify right side
    137,381.82x = 8,781,995,580.14
  5. Step 5: Solve for x
    x = 8,781,995,580.14/137,381.82
  6. Step 6: Final answer
    x = 63,924.00

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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.