Home / 129,529.56-194,301.24-40,789.98

Finding the Fourth Proportional to 129,529.56, 194,301.24 and 40,789.98

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Solution

The fourth proportional to 129,529.56, 194,301.24 and 40,789.98 is: 61,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,529.56 : 194,301.24 = 40,789.98 : x
  2. Step 2: Convert to fraction form
    129,529.56/194,301.24 = 40,789.98/x
  3. Step 3: Cross multiply
    129,529.56x = 194,301.24 × 40,789.98
  4. Step 4: Simplify right side
    129,529.56x = 7,925,543,693.58
  5. Step 5: Solve for x
    x = 7,925,543,693.58/129,529.56
  6. Step 6: Final answer
    x = 61,187.14

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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.