Home / 129,062.28-193,643.50-50,231.88

Finding the Fourth Proportional to 129,062.28, 193,643.50 and 50,231.88

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Solution

The fourth proportional to 129,062.28, 193,643.50 and 50,231.88 is: 75,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,062.28 : 193,643.50 = 50,231.88 : x
  2. Step 2: Convert to fraction form
    129,062.28/193,643.50 = 50,231.88/x
  3. Step 3: Cross multiply
    129,062.28x = 193,643.50 × 50,231.88
  4. Step 4: Simplify right side
    129,062.28x = 9,727,077,054.78
  5. Step 5: Solve for x
    x = 9,727,077,054.78/129,062.28
  6. Step 6: Final answer
    x = 75,367.31

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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.