Home / 231,527.53-319,406.61-135,991.16

Finding the Fourth Proportional to 231,527.53, 319,406.61 and 135,991.16

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Solution

The fourth proportional to 231,527.53, 319,406.61 and 135,991.16 is: 187,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,527.53 : 319,406.61 = 135,991.16 : x
  2. Step 2: Convert to fraction form
    231,527.53/319,406.61 = 135,991.16/x
  3. Step 3: Cross multiply
    231,527.53x = 319,406.61 × 135,991.16
  4. Step 4: Simplify right side
    231,527.53x = 43,436,475,405.57
  5. Step 5: Solve for x
    x = 43,436,475,405.57/231,527.53
  6. Step 6: Final answer
    x = 187,608.25

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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.