Home / 107,795.41-161,618.54-47,791.11

Finding the Fourth Proportional to 107,795.41, 161,618.54 and 47,791.11

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Solution

The fourth proportional to 107,795.41, 161,618.54 and 47,791.11 is: 71,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,795.41 : 161,618.54 = 47,791.11 : x
  2. Step 2: Convert to fraction form
    107,795.41/161,618.54 = 47,791.11/x
  3. Step 3: Cross multiply
    107,795.41x = 161,618.54 × 47,791.11
  4. Step 4: Simplify right side
    107,795.41x = 7,723,930,059.12
  5. Step 5: Solve for x
    x = 7,723,930,059.12/107,795.41
  6. Step 6: Final answer
    x = 71,653.61

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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.