Home / 147,171.38-220,836.80-113,956.31

Finding the Fourth Proportional to 147,171.38, 220,836.80 and 113,956.31

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Solution

The fourth proportional to 147,171.38, 220,836.80 and 113,956.31 is: 170,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,171.38 : 220,836.80 = 113,956.31 : x
  2. Step 2: Convert to fraction form
    147,171.38/220,836.80 = 113,956.31/x
  3. Step 3: Cross multiply
    147,171.38x = 220,836.80 × 113,956.31
  4. Step 4: Simplify right side
    147,171.38x = 25,165,747,677.19
  5. Step 5: Solve for x
    x = 25,165,747,677.19/147,171.38
  6. Step 6: Final answer
    x = 170,996.21

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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.