Home / 99,891.20-149,816.52-36,689.60

Finding the Fourth Proportional to 99,891.20, 149,816.52 and 36,689.60

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Solution

The fourth proportional to 99,891.20, 149,816.52 and 36,689.60 is: 55,026.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,891.20 : 149,816.52 = 36,689.60 : x
  2. Step 2: Convert to fraction form
    99,891.20/149,816.52 = 36,689.60/x
  3. Step 3: Cross multiply
    99,891.20x = 149,816.52 × 36,689.60
  4. Step 4: Simplify right side
    99,891.20x = 5,496,707,443.11
  5. Step 5: Solve for x
    x = 5,496,707,443.11/99,891.20
  6. Step 6: Final answer
    x = 55,026.95

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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.