Home / 203,204.96-280,422.48-112,560.88

Finding the Fourth Proportional to 203,204.96, 280,422.48 and 112,560.88

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Solution

The fourth proportional to 203,204.96, 280,422.48 and 112,560.88 is: 155,333.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,204.96 : 280,422.48 = 112,560.88 : x
  2. Step 2: Convert to fraction form
    203,204.96/280,422.48 = 112,560.88/x
  3. Step 3: Cross multiply
    203,204.96x = 280,422.48 × 112,560.88
  4. Step 4: Simplify right side
    203,204.96x = 31,564,601,120.58
  5. Step 5: Solve for x
    x = 31,564,601,120.58/203,204.96
  6. Step 6: Final answer
    x = 155,333.81

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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.