Home / 88,364.40-132,546.60-81,949.20

Finding the Fourth Proportional to 88,364.40, 132,546.60 and 81,949.20

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Solution

The fourth proportional to 88,364.40, 132,546.60 and 81,949.20 is: 122,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,364.40 : 132,546.60 = 81,949.20 : x
  2. Step 2: Convert to fraction form
    88,364.40/132,546.60 = 81,949.20/x
  3. Step 3: Cross multiply
    88,364.40x = 132,546.60 × 81,949.20
  4. Step 4: Simplify right side
    88,364.40x = 10,862,087,832.72
  5. Step 5: Solve for x
    x = 10,862,087,832.72/88,364.40
  6. Step 6: Final answer
    x = 122,923.80

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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.