Home / 231,721.90-347,638.33-96,710.89

Finding the Fourth Proportional to 231,721.90, 347,638.33 and 96,710.89

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Solution

The fourth proportional to 231,721.90, 347,638.33 and 96,710.89 is: 145,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,721.90 : 347,638.33 = 96,710.89 : x
  2. Step 2: Convert to fraction form
    231,721.90/347,638.33 = 96,710.89/x
  3. Step 3: Cross multiply
    231,721.90x = 347,638.33 × 96,710.89
  4. Step 4: Simplify right side
    231,721.90x = 33,620,412,292.41
  5. Step 5: Solve for x
    x = 33,620,412,292.41/231,721.90
  6. Step 6: Final answer
    x = 145,089.49

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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.