Home / 144,080.39-198,822.84-80,422.28

Finding the Fourth Proportional to 144,080.39, 198,822.84 and 80,422.28

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Solution

The fourth proportional to 144,080.39, 198,822.84 and 80,422.28 is: 110,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080.39 : 198,822.84 = 80,422.28 : x
  2. Step 2: Convert to fraction form
    144,080.39/198,822.84 = 80,422.28/x
  3. Step 3: Cross multiply
    144,080.39x = 198,822.84 × 80,422.28
  4. Step 4: Simplify right side
    144,080.39x = 15,989,786,108.88
  5. Step 5: Solve for x
    x = 15,989,786,108.88/144,080.39
  6. Step 6: Final answer
    x = 110,978.23

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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.