Home / 231,351.56-319,136.92-134,544.81

Finding the Fourth Proportional to 231,351.56, 319,136.92 and 134,544.81

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Solution

The fourth proportional to 231,351.56, 319,136.92 and 134,544.81 is: 185,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,351.56 : 319,136.92 = 134,544.81 : x
  2. Step 2: Convert to fraction form
    231,351.56/319,136.92 = 134,544.81/x
  3. Step 3: Cross multiply
    231,351.56x = 319,136.92 × 134,544.81
  4. Step 4: Simplify right side
    231,351.56x = 42,938,216,265.39
  5. Step 5: Solve for x
    x = 42,938,216,265.39/231,351.56
  6. Step 6: Final answer
    x = 185,597.26

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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.