Home / 151,717.23-227,715.57-76,889.70

Finding the Fourth Proportional to 151,717.23, 227,715.57 and 76,889.70

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Solution

The fourth proportional to 151,717.23, 227,715.57 and 76,889.70 is: 115,405.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,717.23 : 227,715.57 = 76,889.70 : x
  2. Step 2: Convert to fraction form
    151,717.23/227,715.57 = 76,889.70/x
  3. Step 3: Cross multiply
    151,717.23x = 227,715.57 × 76,889.70
  4. Step 4: Simplify right side
    151,717.23x = 17,508,981,862.63
  5. Step 5: Solve for x
    x = 17,508,981,862.63/151,717.23
  6. Step 6: Final answer
    x = 115,405.36

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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.