Home / 151,616.35-227,424.51-85,103.20

Finding the Fourth Proportional to 151,616.35, 227,424.51 and 85,103.20

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Solution

The fourth proportional to 151,616.35, 227,424.51 and 85,103.20 is: 127,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,616.35 : 227,424.51 = 85,103.20 : x
  2. Step 2: Convert to fraction form
    151,616.35/227,424.51 = 85,103.20/x
  3. Step 3: Cross multiply
    151,616.35x = 227,424.51 × 85,103.20
  4. Step 4: Simplify right side
    151,616.35x = 19,354,553,559.43
  5. Step 5: Solve for x
    x = 19,354,553,559.43/151,616.35
  6. Step 6: Final answer
    x = 127,654.79

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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.