Home / 88,154.33-132,115.98-40,763.40

Finding the Fourth Proportional to 88,154.33, 132,115.98 and 40,763.40

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Solution

The fourth proportional to 88,154.33, 132,115.98 and 40,763.40 is: 61,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,154.33 : 132,115.98 = 40,763.40 : x
  2. Step 2: Convert to fraction form
    88,154.33/132,115.98 = 40,763.40/x
  3. Step 3: Cross multiply
    88,154.33x = 132,115.98 × 40,763.40
  4. Step 4: Simplify right side
    88,154.33x = 5,385,496,539.13
  5. Step 5: Solve for x
    x = 5,385,496,539.13/88,154.33
  6. Step 6: Final answer
    x = 61,091.69

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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.