Home / 203,098.73-280,292.03-112,463.13

Finding the Fourth Proportional to 203,098.73, 280,292.03 and 112,463.13

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Solution

The fourth proportional to 203,098.73, 280,292.03 and 112,463.13 is: 155,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,098.73 : 280,292.03 = 112,463.13 : x
  2. Step 2: Convert to fraction form
    203,098.73/280,292.03 = 112,463.13/x
  3. Step 3: Cross multiply
    203,098.73x = 280,292.03 × 112,463.13
  4. Step 4: Simplify right side
    203,098.73x = 31,522,519,007.85
  5. Step 5: Solve for x
    x = 31,522,519,007.85/203,098.73
  6. Step 6: Final answer
    x = 155,207.86

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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.