Home / 134,251.25-185,272.08-80,516.66

Finding the Fourth Proportional to 134,251.25, 185,272.08 and 80,516.66

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Solution

The fourth proportional to 134,251.25, 185,272.08 and 80,516.66 is: 111,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,251.25 : 185,272.08 = 80,516.66 : x
  2. Step 2: Convert to fraction form
    134,251.25/185,272.08 = 80,516.66/x
  3. Step 3: Cross multiply
    134,251.25x = 185,272.08 × 80,516.66
  4. Step 4: Simplify right side
    134,251.25x = 14,917,489,072.85
  5. Step 5: Solve for x
    x = 14,917,489,072.85/134,251.25
  6. Step 6: Final answer
    x = 111,116.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.