Home / 187,469.02-281,202.17-75,147.60

Finding the Fourth Proportional to 187,469.02, 281,202.17 and 75,147.60

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Solution

The fourth proportional to 187,469.02, 281,202.17 and 75,147.60 is: 112,720.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.02 : 281,202.17 = 75,147.60 : x
  2. Step 2: Convert to fraction form
    187,469.02/281,202.17 = 75,147.60/x
  3. Step 3: Cross multiply
    187,469.02x = 281,202.17 × 75,147.60
  4. Step 4: Simplify right side
    187,469.02x = 21,131,668,378.16
  5. Step 5: Solve for x
    x = 21,131,668,378.16/187,469.02
  6. Step 6: Final answer
    x = 112,720.86

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1.5x scale

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.