Home / 129,263.80-193,900.04-35,761.72

Finding the Fourth Proportional to 129,263.80, 193,900.04 and 35,761.72

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Solution

The fourth proportional to 129,263.80, 193,900.04 and 35,761.72 is: 53,643.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,263.80 : 193,900.04 = 35,761.72 : x
  2. Step 2: Convert to fraction form
    129,263.80/193,900.04 = 35,761.72/x
  3. Step 3: Cross multiply
    129,263.80x = 193,900.04 × 35,761.72
  4. Step 4: Simplify right side
    129,263.80x = 6,934,198,938.47
  5. Step 5: Solve for x
    x = 6,934,198,938.47/129,263.80
  6. Step 6: Final answer
    x = 53,643.78

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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.