Home / 129,285.27-193,874.85-49,352.40

Finding the Fourth Proportional to 129,285.27, 193,874.85 and 49,352.40

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Solution

The fourth proportional to 129,285.27, 193,874.85 and 49,352.40 is: 74,008.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,285.27 : 193,874.85 = 49,352.40 : x
  2. Step 2: Convert to fraction form
    129,285.27/193,874.85 = 49,352.40/x
  3. Step 3: Cross multiply
    129,285.27x = 193,874.85 × 49,352.40
  4. Step 4: Simplify right side
    129,285.27x = 9,568,189,147.14
  5. Step 5: Solve for x
    x = 9,568,189,147.14/129,285.27
  6. Step 6: Final answer
    x = 74,008.35

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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.