Home / 129,584.80-194,310-59,403.68

Finding the Fourth Proportional to 129,584.80, 194,310 and 59,403.68

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Solution

The fourth proportional to 129,584.80, 194,310 and 59,403.68 is: 89,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,584.80 : 194,310 = 59,403.68 : x
  2. Step 2: Convert to fraction form
    129,584.80/194,310 = 59,403.68/x
  3. Step 3: Cross multiply
    129,584.80x = 194,310 × 59,403.68
  4. Step 4: Simplify right side
    129,584.80x = 11,542,729,060.80
  5. Step 5: Solve for x
    x = 11,542,729,060.80/129,584.80
  6. Step 6: Final answer
    x = 89,074.71

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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.