Home / 89,229.28-123,281.04-75,940.96

Finding the Fourth Proportional to 89,229.28, 123,281.04 and 75,940.96

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Solution

The fourth proportional to 89,229.28, 123,281.04 and 75,940.96 is: 104,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,229.28 : 123,281.04 = 75,940.96 : x
  2. Step 2: Convert to fraction form
    89,229.28/123,281.04 = 75,940.96/x
  3. Step 3: Cross multiply
    89,229.28x = 123,281.04 × 75,940.96
  4. Step 4: Simplify right side
    89,229.28x = 9,362,080,527.40
  5. Step 5: Solve for x
    x = 9,362,080,527.40/89,229.28
  6. Step 6: Final answer
    x = 104,921.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.