Home / 220,976.64-304,939.16-135,079.44

Finding the Fourth Proportional to 220,976.64, 304,939.16 and 135,079.44

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Solution

The fourth proportional to 220,976.64, 304,939.16 and 135,079.44 is: 186,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,976.64 : 304,939.16 = 135,079.44 : x
  2. Step 2: Convert to fraction form
    220,976.64/304,939.16 = 135,079.44/x
  3. Step 3: Cross multiply
    220,976.64x = 304,939.16 × 135,079.44
  4. Step 4: Simplify right side
    220,976.64x = 41,191,010,966.87
  5. Step 5: Solve for x
    x = 41,191,010,966.87/220,976.64
  6. Step 6: Final answer
    x = 186,404.37

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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.