Home / 118,270.38-177,367.41-39,363.66

Finding the Fourth Proportional to 118,270.38, 177,367.41 and 39,363.66

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Solution

The fourth proportional to 118,270.38, 177,367.41 and 39,363.66 is: 59,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270.38 : 177,367.41 = 39,363.66 : x
  2. Step 2: Convert to fraction form
    118,270.38/177,367.41 = 39,363.66/x
  3. Step 3: Cross multiply
    118,270.38x = 177,367.41 × 39,363.66
  4. Step 4: Simplify right side
    118,270.38x = 6,981,830,422.32
  5. Step 5: Solve for x
    x = 6,981,830,422.32/118,270.38
  6. Step 6: Final answer
    x = 59,032.79

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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.