Home / 149,727.20-206,377.34-106,134.35

Finding the Fourth Proportional to 149,727.20, 206,377.34 and 106,134.35

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Solution

The fourth proportional to 149,727.20, 206,377.34 and 106,134.35 is: 146,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,727.20 : 206,377.34 = 106,134.35 : x
  2. Step 2: Convert to fraction form
    149,727.20/206,377.34 = 106,134.35/x
  3. Step 3: Cross multiply
    149,727.20x = 206,377.34 × 106,134.35
  4. Step 4: Simplify right side
    149,727.20x = 21,903,723,273.07
  5. Step 5: Solve for x
    x = 21,903,723,273.07/149,727.20
  6. Step 6: Final answer
    x = 146,290.88

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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.