Home / 231,014.16-318,802.20-135,522.48

Finding the Fourth Proportional to 231,014.16, 318,802.20 and 135,522.48

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Solution

The fourth proportional to 231,014.16, 318,802.20 and 135,522.48 is: 187,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,014.16 : 318,802.20 = 135,522.48 : x
  2. Step 2: Convert to fraction form
    231,014.16/318,802.20 = 135,522.48/x
  3. Step 3: Cross multiply
    231,014.16x = 318,802.20 × 135,522.48
  4. Step 4: Simplify right side
    231,014.16x = 43,204,864,773.46
  5. Step 5: Solve for x
    x = 43,204,864,773.46/231,014.16
  6. Step 6: Final answer
    x = 187,022.58

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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.