Home / 149,372.56-206,144.31-91,254.16

Finding the Fourth Proportional to 149,372.56, 206,144.31 and 91,254.16

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Solution

The fourth proportional to 149,372.56, 206,144.31 and 91,254.16 is: 125,936.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,372.56 : 206,144.31 = 91,254.16 : x
  2. Step 2: Convert to fraction form
    149,372.56/206,144.31 = 91,254.16/x
  3. Step 3: Cross multiply
    149,372.56x = 206,144.31 × 91,254.16
  4. Step 4: Simplify right side
    149,372.56x = 18,811,525,847.83
  5. Step 5: Solve for x
    x = 18,811,525,847.83/149,372.56
  6. Step 6: Final answer
    x = 125,936.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.