Home / 149,318.80-206,059.96-82,250.80

Finding the Fourth Proportional to 149,318.80, 206,059.96 and 82,250.80

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Solution

The fourth proportional to 149,318.80, 206,059.96 and 82,250.80 is: 113,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,318.80 : 206,059.96 = 82,250.80 : x
  2. Step 2: Convert to fraction form
    149,318.80/206,059.96 = 82,250.80/x
  3. Step 3: Cross multiply
    149,318.80x = 206,059.96 × 82,250.80
  4. Step 4: Simplify right side
    149,318.80x = 16,948,596,557.97
  5. Step 5: Solve for x
    x = 16,948,596,557.97/149,318.80
  6. Step 6: Final answer
    x = 113,506.11

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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.