Home / 220,558.56-304,273.20-135,625.44

Finding the Fourth Proportional to 220,558.56, 304,273.20 and 135,625.44

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Solution

The fourth proportional to 220,558.56, 304,273.20 and 135,625.44 is: 187,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,558.56 : 304,273.20 = 135,625.44 : x
  2. Step 2: Convert to fraction form
    220,558.56/304,273.20 = 135,625.44/x
  3. Step 3: Cross multiply
    220,558.56x = 304,273.20 × 135,625.44
  4. Step 4: Simplify right side
    220,558.56x = 41,267,186,630.21
  5. Step 5: Solve for x
    x = 41,267,186,630.21/220,558.56
  6. Step 6: Final answer
    x = 187,103.08

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1.5x scale

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.