Home / 144,080.53-198,831.35-80,418.31

Finding the Fourth Proportional to 144,080.53, 198,831.35 and 80,418.31

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Solution

The fourth proportional to 144,080.53, 198,831.35 and 80,418.31 is: 110,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080.53 : 198,831.35 = 80,418.31 : x
  2. Step 2: Convert to fraction form
    144,080.53/198,831.35 = 80,418.31/x
  3. Step 3: Cross multiply
    144,080.53x = 198,831.35 × 80,418.31
  4. Step 4: Simplify right side
    144,080.53x = 15,989,680,348.91
  5. Step 5: Solve for x
    x = 15,989,680,348.91/144,080.53
  6. Step 6: Final answer
    x = 110,977.39

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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.