Home / 144,418.32-199,299.96-80,763.12

Finding the Fourth Proportional to 144,418.32, 199,299.96 and 80,763.12

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Solution

The fourth proportional to 144,418.32, 199,299.96 and 80,763.12 is: 111,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,418.32 : 199,299.96 = 80,763.12 : x
  2. Step 2: Convert to fraction form
    144,418.32/199,299.96 = 80,763.12/x
  3. Step 3: Cross multiply
    144,418.32x = 199,299.96 × 80,763.12
  4. Step 4: Simplify right side
    144,418.32x = 16,096,086,585.48
  5. Step 5: Solve for x
    x = 16,096,086,585.48/144,418.32
  6. Step 6: Final answer
    x = 111,454.60

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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.