Home / 204,005.58-281,528.91-112,123.88

Finding the Fourth Proportional to 204,005.58, 281,528.91 and 112,123.88

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Solution

The fourth proportional to 204,005.58, 281,528.91 and 112,123.88 is: 154,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,005.58 : 281,528.91 = 112,123.88 : x
  2. Step 2: Convert to fraction form
    204,005.58/281,528.91 = 112,123.88/x
  3. Step 3: Cross multiply
    204,005.58x = 281,528.91 × 112,123.88
  4. Step 4: Simplify right side
    204,005.58x = 31,566,112,313.73
  5. Step 5: Solve for x
    x = 31,566,112,313.73/204,005.58
  6. Step 6: Final answer
    x = 154,731.61

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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.