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Finding the Fourth Proportional to 151,670.70, 227,943.45 and 132,425.10

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Solution

The fourth proportional to 151,670.70, 227,943.45 and 132,425.10 is: 199,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,670.70 : 227,943.45 = 132,425.10 : x
  2. Step 2: Convert to fraction form
    151,670.70/227,943.45 = 132,425.10/x
  3. Step 3: Cross multiply
    151,670.70x = 227,943.45 × 132,425.10
  4. Step 4: Simplify right side
    151,670.70x = 30,185,434,160.60
  5. Step 5: Solve for x
    x = 30,185,434,160.60/151,670.70
  6. Step 6: Final answer
    x = 199,019.55

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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.