Home / 127,679.45-176,198.85-71,092.04

Finding the Fourth Proportional to 127,679.45, 176,198.85 and 71,092.04

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Solution

The fourth proportional to 127,679.45, 176,198.85 and 71,092.04 is: 98,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,679.45 : 176,198.85 = 71,092.04 : x
  2. Step 2: Convert to fraction form
    127,679.45/176,198.85 = 71,092.04/x
  3. Step 3: Cross multiply
    127,679.45x = 176,198.85 × 71,092.04
  4. Step 4: Simplify right side
    127,679.45x = 12,526,334,811.16
  5. Step 5: Solve for x
    x = 12,526,334,811.16/127,679.45
  6. Step 6: Final answer
    x = 98,107.69

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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.