Home / 110,781.06-166,170.29-75,154.11

Finding the Fourth Proportional to 110,781.06, 166,170.29 and 75,154.11

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Solution

The fourth proportional to 110,781.06, 166,170.29 and 75,154.11 is: 112,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,781.06 : 166,170.29 = 75,154.11 : x
  2. Step 2: Convert to fraction form
    110,781.06/166,170.29 = 75,154.11/x
  3. Step 3: Cross multiply
    110,781.06x = 166,170.29 × 75,154.11
  4. Step 4: Simplify right side
    110,781.06x = 12,488,379,877.62
  5. Step 5: Solve for x
    x = 12,488,379,877.62/110,781.06
  6. Step 6: Final answer
    x = 112,730.28

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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.