Home / 220,876.12-330,659.66-136,364.56

Finding the Fourth Proportional to 220,876.12, 330,659.66 and 136,364.56

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Solution

The fourth proportional to 220,876.12, 330,659.66 and 136,364.56 is: 204,142.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,876.12 : 330,659.66 = 136,364.56 : x
  2. Step 2: Convert to fraction form
    220,876.12/330,659.66 = 136,364.56/x
  3. Step 3: Cross multiply
    220,876.12x = 330,659.66 × 136,364.56
  4. Step 4: Simplify right side
    220,876.12x = 45,090,259,045.65
  5. Step 5: Solve for x
    x = 45,090,259,045.65/220,876.12
  6. Step 6: Final answer
    x = 204,142.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.