Home / 149,319.50-206,060.91-82,251.50

Finding the Fourth Proportional to 149,319.50, 206,060.91 and 82,251.50

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Solution

The fourth proportional to 149,319.50, 206,060.91 and 82,251.50 is: 113,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,319.50 : 206,060.91 = 82,251.50 : x
  2. Step 2: Convert to fraction form
    149,319.50/206,060.91 = 82,251.50/x
  3. Step 3: Cross multiply
    149,319.50x = 206,060.91 × 82,251.50
  4. Step 4: Simplify right side
    149,319.50x = 16,948,818,938.87
  5. Step 5: Solve for x
    x = 16,948,818,938.87/149,319.50
  6. Step 6: Final answer
    x = 113,507.07

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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.