Home / 153,979.38-212,374.27-132,504.92

Finding the Fourth Proportional to 153,979.38, 212,374.27 and 132,504.92

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Solution

The fourth proportional to 153,979.38, 212,374.27 and 132,504.92 is: 182,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,979.38 : 212,374.27 = 132,504.92 : x
  2. Step 2: Convert to fraction form
    153,979.38/212,374.27 = 132,504.92/x
  3. Step 3: Cross multiply
    153,979.38x = 212,374.27 × 132,504.92
  4. Step 4: Simplify right side
    153,979.38x = 28,140,635,985.40
  5. Step 5: Solve for x
    x = 28,140,635,985.40/153,979.38
  6. Step 6: Final answer
    x = 182,755.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.