Home / 231,102.98-318,924.22-135,611.26

Finding the Fourth Proportional to 231,102.98, 318,924.22 and 135,611.26

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Solution

The fourth proportional to 231,102.98, 318,924.22 and 135,611.26 is: 187,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,102.98 : 318,924.22 = 135,611.26 : x
  2. Step 2: Convert to fraction form
    231,102.98/318,924.22 = 135,611.26/x
  3. Step 3: Cross multiply
    231,102.98x = 318,924.22 × 135,611.26
  4. Step 4: Simplify right side
    231,102.98x = 43,249,715,318.72
  5. Step 5: Solve for x
    x = 43,249,715,318.72/231,102.98
  6. Step 6: Final answer
    x = 187,144.78

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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.