Home / 88,006.40-131,805.28-87,350.72

Finding the Fourth Proportional to 88,006.40, 131,805.28 and 87,350.72

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Solution

The fourth proportional to 88,006.40, 131,805.28 and 87,350.72 is: 130,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,006.40 : 131,805.28 = 87,350.72 : x
  2. Step 2: Convert to fraction form
    88,006.40/131,805.28 = 87,350.72/x
  3. Step 3: Cross multiply
    88,006.40x = 131,805.28 × 87,350.72
  4. Step 4: Simplify right side
    88,006.40x = 11,513,286,107.80
  5. Step 5: Solve for x
    x = 11,513,286,107.80/88,006.40
  6. Step 6: Final answer
    x = 130,823.28

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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.