Home / 124,848.30-187,272.45-82,857.90

Finding the Fourth Proportional to 124,848.30, 187,272.45 and 82,857.90

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Solution

The fourth proportional to 124,848.30, 187,272.45 and 82,857.90 is: 124,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848.30 : 187,272.45 = 82,857.90 : x
  2. Step 2: Convert to fraction form
    124,848.30/187,272.45 = 82,857.90/x
  3. Step 3: Cross multiply
    124,848.30x = 187,272.45 × 82,857.90
  4. Step 4: Simplify right side
    124,848.30x = 15,517,001,934.86
  5. Step 5: Solve for x
    x = 15,517,001,934.86/124,848.30
  6. Step 6: Final answer
    x = 124,286.85

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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.