Home / 123,351.68-185,034.07-39,118.48

Finding the Fourth Proportional to 123,351.68, 185,034.07 and 39,118.48

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Solution

The fourth proportional to 123,351.68, 185,034.07 and 39,118.48 is: 58,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,351.68 : 185,034.07 = 39,118.48 : x
  2. Step 2: Convert to fraction form
    123,351.68/185,034.07 = 39,118.48/x
  3. Step 3: Cross multiply
    123,351.68x = 185,034.07 × 39,118.48
  4. Step 4: Simplify right side
    123,351.68x = 7,238,251,566.61
  5. Step 5: Solve for x
    x = 7,238,251,566.61/123,351.68
  6. Step 6: Final answer
    x = 58,679.80

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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.