Home / 136,057.16-204,178.62-47,309.78

Finding the Fourth Proportional to 136,057.16, 204,178.62 and 47,309.78

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Solution

The fourth proportional to 136,057.16, 204,178.62 and 47,309.78 is: 70,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,057.16 : 204,178.62 = 47,309.78 : x
  2. Step 2: Convert to fraction form
    136,057.16/204,178.62 = 47,309.78/x
  3. Step 3: Cross multiply
    136,057.16x = 204,178.62 × 47,309.78
  4. Step 4: Simplify right side
    136,057.16x = 9,659,645,592.90
  5. Step 5: Solve for x
    x = 9,659,645,592.90/136,057.16
  6. Step 6: Final answer
    x = 70,996.97

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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.