Home / 118,209.13-177,213.89-54,996.62

Finding the Fourth Proportional to 118,209.13, 177,213.89 and 54,996.62

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Solution

The fourth proportional to 118,209.13, 177,213.89 and 54,996.62 is: 82,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209.13 : 177,213.89 = 54,996.62 : x
  2. Step 2: Convert to fraction form
    118,209.13/177,213.89 = 54,996.62/x
  3. Step 3: Cross multiply
    118,209.13x = 177,213.89 × 54,996.62
  4. Step 4: Simplify right side
    118,209.13x = 9,746,164,218.47
  5. Step 5: Solve for x
    x = 9,746,164,218.47/118,209.13
  6. Step 6: Final answer
    x = 82,448.49

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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.