Home / 204,438.72-282,126.24-115,008.96

Finding the Fourth Proportional to 204,438.72, 282,126.24 and 115,008.96

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Solution

The fourth proportional to 204,438.72, 282,126.24 and 115,008.96 is: 158,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,438.72 : 282,126.24 = 115,008.96 : x
  2. Step 2: Convert to fraction form
    204,438.72/282,126.24 = 115,008.96/x
  3. Step 3: Cross multiply
    204,438.72x = 282,126.24 × 115,008.96
  4. Step 4: Simplify right side
    204,438.72x = 32,447,045,451.11
  5. Step 5: Solve for x
    x = 32,447,045,451.11/204,438.72
  6. Step 6: Final answer
    x = 158,712.82

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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.