Home / 132,923.20-199,316.40-39,416.80

Finding the Fourth Proportional to 132,923.20, 199,316.40 and 39,416.80

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Solution

The fourth proportional to 132,923.20, 199,316.40 and 39,416.80 is: 59,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.20 : 199,316.40 = 39,416.80 : x
  2. Step 2: Convert to fraction form
    132,923.20/199,316.40 = 39,416.80/x
  3. Step 3: Cross multiply
    132,923.20x = 199,316.40 × 39,416.80
  4. Step 4: Simplify right side
    132,923.20x = 7,856,414,675.52
  5. Step 5: Solve for x
    x = 7,856,414,675.52/132,923.20
  6. Step 6: Final answer
    x = 59,104.92

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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.