Home / 231,391.46-347,130.62-105,040.57

Finding the Fourth Proportional to 231,391.46, 347,130.62 and 105,040.57

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Solution

The fourth proportional to 231,391.46, 347,130.62 and 105,040.57 is: 157,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.46 : 347,130.62 = 105,040.57 : x
  2. Step 2: Convert to fraction form
    231,391.46/347,130.62 = 105,040.57/x
  3. Step 3: Cross multiply
    231,391.46x = 347,130.62 × 105,040.57
  4. Step 4: Simplify right side
    231,391.46x = 36,462,797,584.03
  5. Step 5: Solve for x
    x = 36,462,797,584.03/231,391.46
  6. Step 6: Final answer
    x = 157,580.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.