Home / 136,576.30-204,864.45-83,432.20

Finding the Fourth Proportional to 136,576.30, 204,864.45 and 83,432.20

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Solution

The fourth proportional to 136,576.30, 204,864.45 and 83,432.20 is: 125,148.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,576.30 : 204,864.45 = 83,432.20 : x
  2. Step 2: Convert to fraction form
    136,576.30/204,864.45 = 83,432.20/x
  3. Step 3: Cross multiply
    136,576.30x = 204,864.45 × 83,432.20
  4. Step 4: Simplify right side
    136,576.30x = 17,092,291,765.29
  5. Step 5: Solve for x
    x = 17,092,291,765.29/136,576.30
  6. Step 6: Final answer
    x = 125,148.30

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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.