Home / 144,697.12-199,883.28-109,160.80

Finding the Fourth Proportional to 144,697.12, 199,883.28 and 109,160.80

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Solution

The fourth proportional to 144,697.12, 199,883.28 and 109,160.80 is: 150,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,697.12 : 199,883.28 = 109,160.80 : x
  2. Step 2: Convert to fraction form
    144,697.12/199,883.28 = 109,160.80/x
  3. Step 3: Cross multiply
    144,697.12x = 199,883.28 × 109,160.80
  4. Step 4: Simplify right side
    144,697.12x = 21,819,418,751.42
  5. Step 5: Solve for x
    x = 21,819,418,751.42/144,697.12
  6. Step 6: Final answer
    x = 150,793.73

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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.