Home / 118,402.05-177,600.53-38,439.87

Finding the Fourth Proportional to 118,402.05, 177,600.53 and 38,439.87

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Solution

The fourth proportional to 118,402.05, 177,600.53 and 38,439.87 is: 57,658.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,402.05 : 177,600.53 = 38,439.87 : x
  2. Step 2: Convert to fraction form
    118,402.05/177,600.53 = 38,439.87/x
  3. Step 3: Cross multiply
    118,402.05x = 177,600.53 × 38,439.87
  4. Step 4: Simplify right side
    118,402.05x = 6,826,940,715.23
  5. Step 5: Solve for x
    x = 6,826,940,715.23/118,402.05
  6. Step 6: Final answer
    x = 57,658.97

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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.