Home / 99,382.13-149,073.29-43,219.97

Finding the Fourth Proportional to 99,382.13, 149,073.29 and 43,219.97

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Solution

The fourth proportional to 99,382.13, 149,073.29 and 43,219.97 is: 64,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,382.13 : 149,073.29 = 43,219.97 : x
  2. Step 2: Convert to fraction form
    99,382.13/149,073.29 = 43,219.97/x
  3. Step 3: Cross multiply
    99,382.13x = 149,073.29 × 43,219.97
  4. Step 4: Simplify right side
    99,382.13x = 6,442,943,121.60
  5. Step 5: Solve for x
    x = 6,442,943,121.60/99,382.13
  6. Step 6: Final answer
    x = 64,830.00

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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.