Home / 144,085.28-198,845.46-80,422.52

Finding the Fourth Proportional to 144,085.28, 198,845.46 and 80,422.52

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Solution

The fourth proportional to 144,085.28, 198,845.46 and 80,422.52 is: 110,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,085.28 : 198,845.46 = 80,422.52 : x
  2. Step 2: Convert to fraction form
    144,085.28/198,845.46 = 80,422.52/x
  3. Step 3: Cross multiply
    144,085.28x = 198,845.46 × 80,422.52
  4. Step 4: Simplify right side
    144,085.28x = 15,991,652,983.76
  5. Step 5: Solve for x
    x = 15,991,652,983.76/144,085.28
  6. Step 6: Final answer
    x = 110,987.42

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1.5x scale

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.