Home / 136,202.78-204,168.61-65,042.23

Finding the Fourth Proportional to 136,202.78, 204,168.61 and 65,042.23

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Solution

The fourth proportional to 136,202.78, 204,168.61 and 65,042.23 is: 97,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,202.78 : 204,168.61 = 65,042.23 : x
  2. Step 2: Convert to fraction form
    136,202.78/204,168.61 = 65,042.23/x
  3. Step 3: Cross multiply
    136,202.78x = 204,168.61 × 65,042.23
  4. Step 4: Simplify right side
    136,202.78x = 13,279,581,690.40
  5. Step 5: Solve for x
    x = 13,279,581,690.40/136,202.78
  6. Step 6: Final answer
    x = 97,498.61

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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.