Home / 203,029.18-280,176.88-112,383.21

Finding the Fourth Proportional to 203,029.18, 280,176.88 and 112,383.21

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Solution

The fourth proportional to 203,029.18, 280,176.88 and 112,383.21 is: 155,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,029.18 : 280,176.88 = 112,383.21 : x
  2. Step 2: Convert to fraction form
    203,029.18/280,176.88 = 112,383.21/x
  3. Step 3: Cross multiply
    203,029.18x = 280,176.88 × 112,383.21
  4. Step 4: Simplify right side
    203,029.18x = 31,487,176,546.61
  5. Step 5: Solve for x
    x = 31,487,176,546.61/203,029.18
  6. Step 6: Final answer
    x = 155,086.95

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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.