Home / 204,080.72-281,709.84-136,072.88

Finding the Fourth Proportional to 204,080.72, 281,709.84 and 136,072.88

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Solution

The fourth proportional to 204,080.72, 281,709.84 and 136,072.88 is: 187,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,080.72 : 281,709.84 = 136,072.88 : x
  2. Step 2: Convert to fraction form
    204,080.72/281,709.84 = 136,072.88/x
  3. Step 3: Cross multiply
    204,080.72x = 281,709.84 × 136,072.88
  4. Step 4: Simplify right side
    204,080.72x = 38,333,069,253.14
  5. Step 5: Solve for x
    x = 38,333,069,253.14/204,080.72
  6. Step 6: Final answer
    x = 187,832.88

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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.