Home / 118,664.20-177,996.30-100,001.80

Finding the Fourth Proportional to 118,664.20, 177,996.30 and 100,001.80

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Solution

The fourth proportional to 118,664.20, 177,996.30 and 100,001.80 is: 150,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,664.20 : 177,996.30 = 100,001.80 : x
  2. Step 2: Convert to fraction form
    118,664.20/177,996.30 = 100,001.80/x
  3. Step 3: Cross multiply
    118,664.20x = 177,996.30 × 100,001.80
  4. Step 4: Simplify right side
    118,664.20x = 17,799,950,393.34
  5. Step 5: Solve for x
    x = 17,799,950,393.34/118,664.20
  6. Step 6: Final answer
    x = 150,002.70

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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.