Home / 149,795.28-206,707.08-82,722

Finding the Fourth Proportional to 149,795.28, 206,707.08 and 82,722

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Solution

The fourth proportional to 149,795.28, 206,707.08 and 82,722 is: 114,150.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,795.28 : 206,707.08 = 82,722 : x
  2. Step 2: Convert to fraction form
    149,795.28/206,707.08 = 82,722/x
  3. Step 3: Cross multiply
    149,795.28x = 206,707.08 × 82,722
  4. Step 4: Simplify right side
    149,795.28x = 17,099,223,071.76
  5. Step 5: Solve for x
    x = 17,099,223,071.76/149,795.28
  6. Step 6: Final answer
    x = 114,150.61

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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.