Home / 129,174.22-193,775.91-54,280.41

Finding the Fourth Proportional to 129,174.22, 193,775.91 and 54,280.41

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Solution

The fourth proportional to 129,174.22, 193,775.91 and 54,280.41 is: 81,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,174.22 : 193,775.91 = 54,280.41 : x
  2. Step 2: Convert to fraction form
    129,174.22/193,775.91 = 54,280.41/x
  3. Step 3: Cross multiply
    129,174.22x = 193,775.91 × 54,280.41
  4. Step 4: Simplify right side
    129,174.22x = 10,518,235,842.92
  5. Step 5: Solve for x
    x = 10,518,235,842.92/129,174.22
  6. Step 6: Final answer
    x = 81,426.74

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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.