Home / 140,265.25-193,543.35-79,836.82

Finding the Fourth Proportional to 140,265.25, 193,543.35 and 79,836.82

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Solution

The fourth proportional to 140,265.25, 193,543.35 and 79,836.82 is: 110,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,265.25 : 193,543.35 = 79,836.82 : x
  2. Step 2: Convert to fraction form
    140,265.25/193,543.35 = 79,836.82/x
  3. Step 3: Cross multiply
    140,265.25x = 193,543.35 × 79,836.82
  4. Step 4: Simplify right side
    140,265.25x = 15,451,884,628.43
  5. Step 5: Solve for x
    x = 15,451,884,628.43/140,265.25
  6. Step 6: Final answer
    x = 110,161.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.