Home / 121,391.33-182,160.81-51,270.64

Finding the Fourth Proportional to 121,391.33, 182,160.81 and 51,270.64

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Solution

The fourth proportional to 121,391.33, 182,160.81 and 51,270.64 is: 76,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,391.33 : 182,160.81 = 51,270.64 : x
  2. Step 2: Convert to fraction form
    121,391.33/182,160.81 = 51,270.64/x
  3. Step 3: Cross multiply
    121,391.33x = 182,160.81 × 51,270.64
  4. Step 4: Simplify right side
    121,391.33x = 9,339,501,311.62
  5. Step 5: Solve for x
    x = 9,339,501,311.62/121,391.33
  6. Step 6: Final answer
    x = 76,937.14

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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.