Home / 144,278.39-199,103.63-80,616.17

Finding the Fourth Proportional to 144,278.39, 199,103.63 and 80,616.17

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Solution

The fourth proportional to 144,278.39, 199,103.63 and 80,616.17 is: 111,250.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,278.39 : 199,103.63 = 80,616.17 : x
  2. Step 2: Convert to fraction form
    144,278.39/199,103.63 = 80,616.17/x
  3. Step 3: Cross multiply
    144,278.39x = 199,103.63 × 80,616.17
  4. Step 4: Simplify right side
    144,278.39x = 16,050,970,685.10
  5. Step 5: Solve for x
    x = 16,050,970,685.10/144,278.39
  6. Step 6: Final answer
    x = 111,250.00

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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.