Home / 119,169.25-178,753.62-74,827.15

Finding the Fourth Proportional to 119,169.25, 178,753.62 and 74,827.15

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Solution

The fourth proportional to 119,169.25, 178,753.62 and 74,827.15 is: 112,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,169.25 : 178,753.62 = 74,827.15 : x
  2. Step 2: Convert to fraction form
    119,169.25/178,753.62 = 74,827.15/x
  3. Step 3: Cross multiply
    119,169.25x = 178,753.62 × 74,827.15
  4. Step 4: Simplify right side
    119,169.25x = 13,375,623,936.78
  5. Step 5: Solve for x
    x = 13,375,623,936.78/119,169.25
  6. Step 6: Final answer
    x = 112,240.56

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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.