Home / 119,432.19-178,754.49-66,042.03

Finding the Fourth Proportional to 119,432.19, 178,754.49 and 66,042.03

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Solution

The fourth proportional to 119,432.19, 178,754.49 and 66,042.03 is: 98,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,432.19 : 178,754.49 = 66,042.03 : x
  2. Step 2: Convert to fraction form
    119,432.19/178,754.49 = 66,042.03/x
  3. Step 3: Cross multiply
    119,432.19x = 178,754.49 × 66,042.03
  4. Step 4: Simplify right side
    119,432.19x = 11,805,309,391.21
  5. Step 5: Solve for x
    x = 11,805,309,391.21/119,432.19
  6. Step 6: Final answer
    x = 98,845.29

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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.