Home / 131,034.26-180,832.29-71,418.26

Finding the Fourth Proportional to 131,034.26, 180,832.29 and 71,418.26

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Solution

The fourth proportional to 131,034.26, 180,832.29 and 71,418.26 is: 98,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,034.26 : 180,832.29 = 71,418.26 : x
  2. Step 2: Convert to fraction form
    131,034.26/180,832.29 = 71,418.26/x
  3. Step 3: Cross multiply
    131,034.26x = 180,832.29 × 71,418.26
  4. Step 4: Simplify right side
    131,034.26x = 12,914,727,503.62
  5. Step 5: Solve for x
    x = 12,914,727,503.62/131,034.26
  6. Step 6: Final answer
    x = 98,559.93

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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.