Home / 129,703.25-194,560.85-39,739.52

Finding the Fourth Proportional to 129,703.25, 194,560.85 and 39,739.52

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Solution

The fourth proportional to 129,703.25, 194,560.85 and 39,739.52 is: 59,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,703.25 : 194,560.85 = 39,739.52 : x
  2. Step 2: Convert to fraction form
    129,703.25/194,560.85 = 39,739.52/x
  3. Step 3: Cross multiply
    129,703.25x = 194,560.85 × 39,739.52
  4. Step 4: Simplify right side
    129,703.25x = 7,731,754,591.09
  5. Step 5: Solve for x
    x = 7,731,754,591.09/129,703.25
  6. Step 6: Final answer
    x = 59,611.11

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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.