Home / 149,261.80-206,016.42-92,715.88

Finding the Fourth Proportional to 149,261.80, 206,016.42 and 92,715.88

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Solution

The fourth proportional to 149,261.80, 206,016.42 and 92,715.88 is: 127,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,261.80 : 206,016.42 = 92,715.88 : x
  2. Step 2: Convert to fraction form
    149,261.80/206,016.42 = 92,715.88/x
  3. Step 3: Cross multiply
    149,261.80x = 206,016.42 × 92,715.88
  4. Step 4: Simplify right side
    149,261.80x = 19,100,993,674.75
  5. Step 5: Solve for x
    x = 19,100,993,674.75/149,261.80
  6. Step 6: Final answer
    x = 127,969.74

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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.