Home / 143,961.33-215,954.95-38,777.97

Finding the Fourth Proportional to 143,961.33, 215,954.95 and 38,777.97

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Solution

The fourth proportional to 143,961.33, 215,954.95 and 38,777.97 is: 58,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,961.33 : 215,954.95 = 38,777.97 : x
  2. Step 2: Convert to fraction form
    143,961.33/215,954.95 = 38,777.97/x
  3. Step 3: Cross multiply
    143,961.33x = 215,954.95 × 38,777.97
  4. Step 4: Simplify right side
    143,961.33x = 8,374,294,572.45
  5. Step 5: Solve for x
    x = 8,374,294,572.45/143,961.33
  6. Step 6: Final answer
    x = 58,170.44

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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.