Home / 126,960.40-190,489.20-124,967.80

Finding the Fourth Proportional to 126,960.40, 190,489.20 and 124,967.80

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Solution

The fourth proportional to 126,960.40, 190,489.20 and 124,967.80 is: 187,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,960.40 : 190,489.20 = 124,967.80 : x
  2. Step 2: Convert to fraction form
    126,960.40/190,489.20 = 124,967.80/x
  3. Step 3: Cross multiply
    126,960.40x = 190,489.20 × 124,967.80
  4. Step 4: Simplify right side
    126,960.40x = 23,805,016,247.76
  5. Step 5: Solve for x
    x = 23,805,016,247.76/126,960.40
  6. Step 6: Final answer
    x = 187,499.54

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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.