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Finding the Fourth Proportional to 199,445.77, 275,234.78 and 108,801.71

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Solution

The fourth proportional to 199,445.77, 275,234.78 and 108,801.71 is: 150,146.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,445.77 : 275,234.78 = 108,801.71 : x
  2. Step 2: Convert to fraction form
    199,445.77/275,234.78 = 108,801.71/x
  3. Step 3: Cross multiply
    199,445.77x = 275,234.78 × 108,801.71
  4. Step 4: Simplify right side
    199,445.77x = 29,946,012,795.29
  5. Step 5: Solve for x
    x = 29,946,012,795.29/199,445.77
  6. Step 6: Final answer
    x = 150,146.15

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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.