Home / 231,146.22-318,958.02-158,611.31

Finding the Fourth Proportional to 231,146.22, 318,958.02 and 158,611.31

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Solution

The fourth proportional to 231,146.22, 318,958.02 and 158,611.31 is: 218,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,146.22 : 318,958.02 = 158,611.31 : x
  2. Step 2: Convert to fraction form
    231,146.22/318,958.02 = 158,611.31/x
  3. Step 3: Cross multiply
    231,146.22x = 318,958.02 × 158,611.31
  4. Step 4: Simplify right side
    231,146.22x = 50,590,347,792.42
  5. Step 5: Solve for x
    x = 50,590,347,792.42/231,146.22
  6. Step 6: Final answer
    x = 218,867.29

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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.