Home / 165,138.62-227,905.36-93,531.38

Finding the Fourth Proportional to 165,138.62, 227,905.36 and 93,531.38

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Solution

The fourth proportional to 165,138.62, 227,905.36 and 93,531.38 is: 129,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,138.62 : 227,905.36 = 93,531.38 : x
  2. Step 2: Convert to fraction form
    165,138.62/227,905.36 = 93,531.38/x
  3. Step 3: Cross multiply
    165,138.62x = 227,905.36 × 93,531.38
  4. Step 4: Simplify right side
    165,138.62x = 21,316,302,830.20
  5. Step 5: Solve for x
    x = 21,316,302,830.20/165,138.62
  6. Step 6: Final answer
    x = 129,081.27

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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.