Home / 123,440.42-185,167.01-39,207.17

Finding the Fourth Proportional to 123,440.42, 185,167.01 and 39,207.17

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Solution

The fourth proportional to 123,440.42, 185,167.01 and 39,207.17 is: 58,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,440.42 : 185,167.01 = 39,207.17 : x
  2. Step 2: Convert to fraction form
    123,440.42/185,167.01 = 39,207.17/x
  3. Step 3: Cross multiply
    123,440.42x = 185,167.01 × 39,207.17
  4. Step 4: Simplify right side
    123,440.42x = 7,259,875,000.40
  5. Step 5: Solve for x
    x = 7,259,875,000.40/123,440.42
  6. Step 6: Final answer
    x = 58,812.78

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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.