Home / 144,422.46-199,321.56-80,763.84

Finding the Fourth Proportional to 144,422.46, 199,321.56 and 80,763.84

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Solution

The fourth proportional to 144,422.46, 199,321.56 and 80,763.84 is: 111,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,422.46 : 199,321.56 = 80,763.84 : x
  2. Step 2: Convert to fraction form
    144,422.46/199,321.56 = 80,763.84/x
  3. Step 3: Cross multiply
    144,422.46x = 199,321.56 × 80,763.84
  4. Step 4: Simplify right side
    144,422.46x = 16,097,974,580.39
  5. Step 5: Solve for x
    x = 16,097,974,580.39/144,422.46
  6. Step 6: Final answer
    x = 111,464.48

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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.