Home / 84,375.40-126,564.60-25,211.80

Finding the Fourth Proportional to 84,375.40, 126,564.60 and 25,211.80

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Solution

The fourth proportional to 84,375.40, 126,564.60 and 25,211.80 is: 37,818.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,375.40 : 126,564.60 = 25,211.80 : x
  2. Step 2: Convert to fraction form
    84,375.40/126,564.60 = 25,211.80/x
  3. Step 3: Cross multiply
    84,375.40x = 126,564.60 × 25,211.80
  4. Step 4: Simplify right side
    84,375.40x = 3,190,921,382.28
  5. Step 5: Solve for x
    x = 3,190,921,382.28/84,375.40
  6. Step 6: Final answer
    x = 37,818.15

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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.