Home / 203,344.44-280,608.11-112,708.83

Finding the Fourth Proportional to 203,344.44, 280,608.11 and 112,708.83

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Solution

The fourth proportional to 203,344.44, 280,608.11 and 112,708.83 is: 155,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,344.44 : 280,608.11 = 112,708.83 : x
  2. Step 2: Convert to fraction form
    203,344.44/280,608.11 = 112,708.83/x
  3. Step 3: Cross multiply
    203,344.44x = 280,608.11 × 112,708.83
  4. Step 4: Simplify right side
    203,344.44x = 31,627,011,766.61
  5. Step 5: Solve for x
    x = 31,627,011,766.61/203,344.44
  6. Step 6: Final answer
    x = 155,534.19

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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.