Home / 129,574.28-194,387.85-73,439.46

Finding the Fourth Proportional to 129,574.28, 194,387.85 and 73,439.46

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Solution

The fourth proportional to 129,574.28, 194,387.85 and 73,439.46 is: 110,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,574.28 : 194,387.85 = 73,439.46 : x
  2. Step 2: Convert to fraction form
    129,574.28/194,387.85 = 73,439.46/x
  3. Step 3: Cross multiply
    129,574.28x = 194,387.85 × 73,439.46
  4. Step 4: Simplify right side
    129,574.28x = 14,275,738,734.56
  5. Step 5: Solve for x
    x = 14,275,738,734.56/129,574.28
  6. Step 6: Final answer
    x = 110,174.17

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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.