Home / 151,411.20-227,007.45-84,871.73

Finding the Fourth Proportional to 151,411.20, 227,007.45 and 84,871.73

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Solution

The fourth proportional to 151,411.20, 227,007.45 and 84,871.73 is: 127,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,411.20 : 227,007.45 = 84,871.73 : x
  2. Step 2: Convert to fraction form
    151,411.20/227,007.45 = 84,871.73/x
  3. Step 3: Cross multiply
    151,411.20x = 227,007.45 × 84,871.73
  4. Step 4: Simplify right side
    151,411.20x = 19,266,515,004.39
  5. Step 5: Solve for x
    x = 19,266,515,004.39/151,411.20
  6. Step 6: Final answer
    x = 127,246.30

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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.