Home / 129,474.81-194,146.56-59,293.98

Finding the Fourth Proportional to 129,474.81, 194,146.56 and 59,293.98

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Solution

The fourth proportional to 129,474.81, 194,146.56 and 59,293.98 is: 88,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,474.81 : 194,146.56 = 59,293.98 : x
  2. Step 2: Convert to fraction form
    129,474.81/194,146.56 = 59,293.98/x
  3. Step 3: Cross multiply
    129,474.81x = 194,146.56 × 59,293.98
  4. Step 4: Simplify right side
    129,474.81x = 11,511,722,245.71
  5. Step 5: Solve for x
    x = 11,511,722,245.71/129,474.81
  6. Step 6: Final answer
    x = 88,910.90

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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.