Home / 203,201.36-280,419.04-112,560.24

Finding the Fourth Proportional to 203,201.36, 280,419.04 and 112,560.24

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Solution

The fourth proportional to 203,201.36, 280,419.04 and 112,560.24 is: 155,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,201.36 : 280,419.04 = 112,560.24 : x
  2. Step 2: Convert to fraction form
    203,201.36/280,419.04 = 112,560.24/x
  3. Step 3: Cross multiply
    203,201.36x = 280,419.04 × 112,560.24
  4. Step 4: Simplify right side
    203,201.36x = 31,564,034,442.97
  5. Step 5: Solve for x
    x = 31,564,034,442.97/203,201.36
  6. Step 6: Final answer
    x = 155,333.78

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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.