Home / 129,165.60-193,837.92-50,280.48

Finding the Fourth Proportional to 129,165.60, 193,837.92 and 50,280.48

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Solution

The fourth proportional to 129,165.60, 193,837.92 and 50,280.48 is: 75,455.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,165.60 : 193,837.92 = 50,280.48 : x
  2. Step 2: Convert to fraction form
    129,165.60/193,837.92 = 50,280.48/x
  3. Step 3: Cross multiply
    129,165.60x = 193,837.92 × 50,280.48
  4. Step 4: Simplify right side
    129,165.60x = 9,746,263,659.80
  5. Step 5: Solve for x
    x = 9,746,263,659.80/129,165.60
  6. Step 6: Final answer
    x = 75,455.57

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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.