Home / 149,405.84-206,180.07-82,337.84

Finding the Fourth Proportional to 149,405.84, 206,180.07 and 82,337.84

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Solution

The fourth proportional to 149,405.84, 206,180.07 and 82,337.84 is: 113,626.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,405.84 : 206,180.07 = 82,337.84 : x
  2. Step 2: Convert to fraction form
    149,405.84/206,180.07 = 82,337.84/x
  3. Step 3: Cross multiply
    149,405.84x = 206,180.07 × 82,337.84
  4. Step 4: Simplify right side
    149,405.84x = 16,976,421,976.33
  5. Step 5: Solve for x
    x = 16,976,421,976.33/149,405.84
  6. Step 6: Final answer
    x = 113,626.22

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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.