Home / 126,195.78-174,152.28-68,835.12

Finding the Fourth Proportional to 126,195.78, 174,152.28 and 68,835.12

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Solution

The fourth proportional to 126,195.78, 174,152.28 and 68,835.12 is: 94,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,195.78 : 174,152.28 = 68,835.12 : x
  2. Step 2: Convert to fraction form
    126,195.78/174,152.28 = 68,835.12/x
  3. Step 3: Cross multiply
    126,195.78x = 174,152.28 × 68,835.12
  4. Step 4: Simplify right side
    126,195.78x = 11,987,793,092.07
  5. Step 5: Solve for x
    x = 11,987,793,092.07/126,195.78
  6. Step 6: Final answer
    x = 94,993.61

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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.