Home / 151,738.40-227,747.38-76,911.61

Finding the Fourth Proportional to 151,738.40, 227,747.38 and 76,911.61

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Solution

The fourth proportional to 151,738.40, 227,747.38 and 76,911.61 is: 115,438.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,738.40 : 227,747.38 = 76,911.61 : x
  2. Step 2: Convert to fraction form
    151,738.40/227,747.38 = 76,911.61/x
  3. Step 3: Cross multiply
    151,738.40x = 227,747.38 × 76,911.61
  4. Step 4: Simplify right side
    151,738.40x = 17,516,417,669.08
  5. Step 5: Solve for x
    x = 17,516,417,669.08/151,738.40
  6. Step 6: Final answer
    x = 115,438.27

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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.