Home / 88,139.20-132,192.60-54,799.60

Finding the Fourth Proportional to 88,139.20, 132,192.60 and 54,799.60

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Solution

The fourth proportional to 88,139.20, 132,192.60 and 54,799.60 is: 82,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,139.20 : 132,192.60 = 54,799.60 : x
  2. Step 2: Convert to fraction form
    88,139.20/132,192.60 = 54,799.60/x
  3. Step 3: Cross multiply
    88,139.20x = 132,192.60 × 54,799.60
  4. Step 4: Simplify right side
    88,139.20x = 7,244,101,602.96
  5. Step 5: Solve for x
    x = 7,244,101,602.96/88,139.20
  6. Step 6: Final answer
    x = 82,189.33

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1.5x scale

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.