Home / 126,201.90-189,261.87-41,939.43

Finding the Fourth Proportional to 126,201.90, 189,261.87 and 41,939.43

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Solution

The fourth proportional to 126,201.90, 189,261.87 and 41,939.43 is: 62,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,201.90 : 189,261.87 = 41,939.43 : x
  2. Step 2: Convert to fraction form
    126,201.90/189,261.87 = 41,939.43/x
  3. Step 3: Cross multiply
    126,201.90x = 189,261.87 × 41,939.43
  4. Step 4: Simplify right side
    126,201.90x = 7,937,534,948.53
  5. Step 5: Solve for x
    x = 7,937,534,948.53/126,201.90
  6. Step 6: Final answer
    x = 62,895.53

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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.