Home / 144,080.77-198,823.35-80,422.66

Finding the Fourth Proportional to 144,080.77, 198,823.35 and 80,422.66

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Solution

The fourth proportional to 144,080.77, 198,823.35 and 80,422.66 is: 110,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,080.77 : 198,823.35 = 80,422.66 : x
  2. Step 2: Convert to fraction form
    144,080.77/198,823.35 = 80,422.66/x
  3. Step 3: Cross multiply
    144,080.77x = 198,823.35 × 80,422.66
  4. Step 4: Simplify right side
    144,080.77x = 15,989,901,682.99
  5. Step 5: Solve for x
    x = 15,989,901,682.99/144,080.77
  6. Step 6: Final answer
    x = 110,978.74

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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.