Home / 88,565.40-132,761.70-79,234.20

Finding the Fourth Proportional to 88,565.40, 132,761.70 and 79,234.20

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Solution

The fourth proportional to 88,565.40, 132,761.70 and 79,234.20 is: 118,774.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,565.40 : 132,761.70 = 79,234.20 : x
  2. Step 2: Convert to fraction form
    88,565.40/132,761.70 = 79,234.20/x
  3. Step 3: Cross multiply
    88,565.40x = 132,761.70 × 79,234.20
  4. Step 4: Simplify right side
    88,565.40x = 10,519,267,090.14
  5. Step 5: Solve for x
    x = 10,519,267,090.14/88,565.40
  6. Step 6: Final answer
    x = 118,774.00

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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.