Home / 129,901.30-194,621.55-110,086.90

Finding the Fourth Proportional to 129,901.30, 194,621.55 and 110,086.90

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Solution

The fourth proportional to 129,901.30, 194,621.55 and 110,086.90 is: 164,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,901.30 : 194,621.55 = 110,086.90 : x
  2. Step 2: Convert to fraction form
    129,901.30/194,621.55 = 110,086.90/x
  3. Step 3: Cross multiply
    129,901.30x = 194,621.55 × 110,086.90
  4. Step 4: Simplify right side
    129,901.30x = 21,425,283,112.70
  5. Step 5: Solve for x
    x = 21,425,283,112.70/129,901.30
  6. Step 6: Final answer
    x = 164,935.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.