Home / 204,017.30-281,542.80-112,138.70

Finding the Fourth Proportional to 204,017.30, 281,542.80 and 112,138.70

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Solution

The fourth proportional to 204,017.30, 281,542.80 and 112,138.70 is: 154,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,017.30 : 281,542.80 = 112,138.70 : x
  2. Step 2: Convert to fraction form
    204,017.30/281,542.80 = 112,138.70/x
  3. Step 3: Cross multiply
    204,017.30x = 281,542.80 × 112,138.70
  4. Step 4: Simplify right side
    204,017.30x = 31,571,842,178.65
  5. Step 5: Solve for x
    x = 31,571,842,178.65/204,017.30
  6. Step 6: Final answer
    x = 154,750.81

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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.