Home / 88,338.80-132,335.40-60,345.20

Finding the Fourth Proportional to 88,338.80, 132,335.40 and 60,345.20

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Solution

The fourth proportional to 88,338.80, 132,335.40 and 60,345.20 is: 90,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,338.80 : 132,335.40 = 60,345.20 : x
  2. Step 2: Convert to fraction form
    88,338.80/132,335.40 = 60,345.20/x
  3. Step 3: Cross multiply
    88,338.80x = 132,335.40 × 60,345.20
  4. Step 4: Simplify right side
    88,338.80x = 7,985,806,180.08
  5. Step 5: Solve for x
    x = 7,985,806,180.08/88,338.80
  6. Step 6: Final answer
    x = 90,399.76

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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.