Home / 151,537.30-227,284.71-80,428.66

Finding the Fourth Proportional to 151,537.30, 227,284.71 and 80,428.66

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Solution

The fourth proportional to 151,537.30, 227,284.71 and 80,428.66 is: 120,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,537.30 : 227,284.71 = 80,428.66 : x
  2. Step 2: Convert to fraction form
    151,537.30/227,284.71 = 80,428.66/x
  3. Step 3: Cross multiply
    151,537.30x = 227,284.71 × 80,428.66
  4. Step 4: Simplify right side
    151,537.30x = 18,280,204,663.79
  5. Step 5: Solve for x
    x = 18,280,204,663.79/151,537.30
  6. Step 6: Final answer
    x = 120,631.72

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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.