Home / 111,335.20-166,961.31-44,752.89

Finding the Fourth Proportional to 111,335.20, 166,961.31 and 44,752.89

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Solution

The fourth proportional to 111,335.20, 166,961.31 and 44,752.89 is: 67,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,335.20 : 166,961.31 = 44,752.89 : x
  2. Step 2: Convert to fraction form
    111,335.20/166,961.31 = 44,752.89/x
  3. Step 3: Cross multiply
    111,335.20x = 166,961.31 × 44,752.89
  4. Step 4: Simplify right side
    111,335.20x = 7,472,001,140.69
  5. Step 5: Solve for x
    x = 7,472,001,140.69/111,335.20
  6. Step 6: Final answer
    x = 67,112.66

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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.