Home / 123,394.28-185,101.02-39,159.23

Finding the Fourth Proportional to 123,394.28, 185,101.02 and 39,159.23

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Solution

The fourth proportional to 123,394.28, 185,101.02 and 39,159.23 is: 58,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,394.28 : 185,101.02 = 39,159.23 : x
  2. Step 2: Convert to fraction form
    123,394.28/185,101.02 = 39,159.23/x
  3. Step 3: Cross multiply
    123,394.28x = 185,101.02 × 39,159.23
  4. Step 4: Simplify right side
    123,394.28x = 7,248,412,489.91
  5. Step 5: Solve for x
    x = 7,248,412,489.91/123,394.28
  6. Step 6: Final answer
    x = 58,741.89

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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.