Home / 243,181.11-335,576.01-135,757.95

Finding the Fourth Proportional to 243,181.11, 335,576.01 and 135,757.95

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Solution

The fourth proportional to 243,181.11, 335,576.01 and 135,757.95 is: 187,338.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,181.11 : 335,576.01 = 135,757.95 : x
  2. Step 2: Convert to fraction form
    243,181.11/335,576.01 = 135,757.95/x
  3. Step 3: Cross multiply
    243,181.11x = 335,576.01 × 135,757.95
  4. Step 4: Simplify right side
    243,181.11x = 45,557,111,381.27
  5. Step 5: Solve for x
    x = 45,557,111,381.27/243,181.11
  6. Step 6: Final answer
    x = 187,338.20

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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.