Home / 193,120.20-266,516.10-108,264.36

Finding the Fourth Proportional to 193,120.20, 266,516.10 and 108,264.36

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Solution

The fourth proportional to 193,120.20, 266,516.10 and 108,264.36 is: 149,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,120.20 : 266,516.10 = 108,264.36 : x
  2. Step 2: Convert to fraction form
    193,120.20/266,516.10 = 108,264.36/x
  3. Step 3: Cross multiply
    193,120.20x = 266,516.10 × 108,264.36
  4. Step 4: Simplify right side
    193,120.20x = 28,854,194,996.20
  5. Step 5: Solve for x
    x = 28,854,194,996.20/193,120.20
  6. Step 6: Final answer
    x = 149,410.55

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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.