Home / 231,016.66-318,805.65-135,524.98

Finding the Fourth Proportional to 231,016.66, 318,805.65 and 135,524.98

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Solution

The fourth proportional to 231,016.66, 318,805.65 and 135,524.98 is: 187,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,016.66 : 318,805.65 = 135,524.98 : x
  2. Step 2: Convert to fraction form
    231,016.66/318,805.65 = 135,524.98/x
  3. Step 3: Cross multiply
    231,016.66x = 318,805.65 × 135,524.98
  4. Step 4: Simplify right side
    231,016.66x = 43,206,129,340.14
  5. Step 5: Solve for x
    x = 43,206,129,340.14/231,016.66
  6. Step 6: Final answer
    x = 187,026.03

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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.