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Finding the Fourth Proportional to 123,448.44, 185,134.38 and 44,552.40

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Solution

The fourth proportional to 123,448.44, 185,134.38 and 44,552.40 is: 66,814.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,448.44 : 185,134.38 = 44,552.40 : x
  2. Step 2: Convert to fraction form
    123,448.44/185,134.38 = 44,552.40/x
  3. Step 3: Cross multiply
    123,448.44x = 185,134.38 × 44,552.40
  4. Step 4: Simplify right side
    123,448.44x = 8,248,180,951.51
  5. Step 5: Solve for x
    x = 8,248,180,951.51/123,448.44
  6. Step 6: Final answer
    x = 66,814.78

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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.