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Finding the Fourth Proportional to 119,175.75, 178,763.63 and 44,314.74

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Solution

The fourth proportional to 119,175.75, 178,763.63 and 44,314.74 is: 66,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,175.75 : 178,763.63 = 44,314.74 : x
  2. Step 2: Convert to fraction form
    119,175.75/178,763.63 = 44,314.74/x
  3. Step 3: Cross multiply
    119,175.75x = 178,763.63 × 44,314.74
  4. Step 4: Simplify right side
    119,175.75x = 7,921,863,563.33
  5. Step 5: Solve for x
    x = 7,921,863,563.33/119,175.75
  6. Step 6: Final answer
    x = 66,472.11

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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.