Home / 231,445.14-347,195.67-81,654.69

Finding the Fourth Proportional to 231,445.14, 347,195.67 and 81,654.69

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Solution

The fourth proportional to 231,445.14, 347,195.67 and 81,654.69 is: 122,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,445.14 : 347,195.67 = 81,654.69 : x
  2. Step 2: Convert to fraction form
    231,445.14/347,195.67 = 81,654.69/x
  3. Step 3: Cross multiply
    231,445.14x = 347,195.67 × 81,654.69
  4. Step 4: Simplify right side
    231,445.14x = 28,350,154,803.19
  5. Step 5: Solve for x
    x = 28,350,154,803.19/231,445.14
  6. Step 6: Final answer
    x = 122,491.90

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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.