Home / 231,391.14-347,130.16-105,040.26

Finding the Fourth Proportional to 231,391.14, 347,130.16 and 105,040.26

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Solution

The fourth proportional to 231,391.14, 347,130.16 and 105,040.26 is: 157,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.14 : 347,130.16 = 105,040.26 : x
  2. Step 2: Convert to fraction form
    231,391.14/347,130.16 = 105,040.26/x
  3. Step 3: Cross multiply
    231,391.14x = 347,130.16 × 105,040.26
  4. Step 4: Simplify right side
    231,391.14x = 36,462,640,524.59
  5. Step 5: Solve for x
    x = 36,462,640,524.59/231,391.14
  6. Step 6: Final answer
    x = 157,580.11

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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.