Home / 123,359.55-185,045.93-39,126.12

Finding the Fourth Proportional to 123,359.55, 185,045.93 and 39,126.12

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Solution

The fourth proportional to 123,359.55, 185,045.93 and 39,126.12 is: 58,691.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,359.55 : 185,045.93 = 39,126.12 : x
  2. Step 2: Convert to fraction form
    123,359.55/185,045.93 = 39,126.12/x
  3. Step 3: Cross multiply
    123,359.55x = 185,045.93 × 39,126.12
  4. Step 4: Simplify right side
    123,359.55x = 7,240,129,067.06
  5. Step 5: Solve for x
    x = 7,240,129,067.06/123,359.55
  6. Step 6: Final answer
    x = 58,691.27

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1.5x scale

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.