Home / 123,589.17-185,381.12-39,355.16

Finding the Fourth Proportional to 123,589.17, 185,381.12 and 39,355.16

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Solution

The fourth proportional to 123,589.17, 185,381.12 and 39,355.16 is: 59,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.17 : 185,381.12 = 39,355.16 : x
  2. Step 2: Convert to fraction form
    123,589.17/185,381.12 = 39,355.16/x
  3. Step 3: Cross multiply
    123,589.17x = 185,381.12 × 39,355.16
  4. Step 4: Simplify right side
    123,589.17x = 7,295,702,514.90
  5. Step 5: Solve for x
    x = 7,295,702,514.90/123,589.17
  6. Step 6: Final answer
    x = 59,031.89

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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.