Home / 155,974.26-215,270.97-88,010.50

Finding the Fourth Proportional to 155,974.26, 215,270.97 and 88,010.50

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Solution

The fourth proportional to 155,974.26, 215,270.97 and 88,010.50 is: 121,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,974.26 : 215,270.97 = 88,010.50 : x
  2. Step 2: Convert to fraction form
    155,974.26/215,270.97 = 88,010.50/x
  3. Step 3: Cross multiply
    155,974.26x = 215,270.97 × 88,010.50
  4. Step 4: Simplify right side
    155,974.26x = 18,946,105,240.60
  5. Step 5: Solve for x
    x = 18,946,105,240.60/155,974.26
  6. Step 6: Final answer
    x = 121,469.44

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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.