Home / 129,504.10-194,282.50-54,624.51

Finding the Fourth Proportional to 129,504.10, 194,282.50 and 54,624.51

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Solution

The fourth proportional to 129,504.10, 194,282.50 and 54,624.51 is: 81,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.10 : 194,282.50 = 54,624.51 : x
  2. Step 2: Convert to fraction form
    129,504.10/194,282.50 = 54,624.51/x
  3. Step 3: Cross multiply
    129,504.10x = 194,282.50 × 54,624.51
  4. Step 4: Simplify right side
    129,504.10x = 10,612,586,329.93
  5. Step 5: Solve for x
    x = 10,612,586,329.93/129,504.10
  6. Step 6: Final answer
    x = 81,947.88

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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.