Home / 129,063.28-193,645-50,232.88

Finding the Fourth Proportional to 129,063.28, 193,645 and 50,232.88

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Solution

The fourth proportional to 129,063.28, 193,645 and 50,232.88 is: 75,368.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,063.28 : 193,645 = 50,232.88 : x
  2. Step 2: Convert to fraction form
    129,063.28/193,645 = 50,232.88/x
  3. Step 3: Cross multiply
    129,063.28x = 193,645 × 50,232.88
  4. Step 4: Simplify right side
    129,063.28x = 9,727,346,047.60
  5. Step 5: Solve for x
    x = 9,727,346,047.60/129,063.28
  6. Step 6: Final answer
    x = 75,368.81

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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.