Home / 231,722.14-347,638.70-96,711.14

Finding the Fourth Proportional to 231,722.14, 347,638.70 and 96,711.14

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Solution

The fourth proportional to 231,722.14, 347,638.70 and 96,711.14 is: 145,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,722.14 : 347,638.70 = 96,711.14 : x
  2. Step 2: Convert to fraction form
    231,722.14/347,638.70 = 96,711.14/x
  3. Step 3: Cross multiply
    231,722.14x = 347,638.70 × 96,711.14
  4. Step 4: Simplify right side
    231,722.14x = 33,620,534,985.12
  5. Step 5: Solve for x
    x = 33,620,534,985.12/231,722.14
  6. Step 6: Final answer
    x = 145,089.87

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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.