Home / 231,680.23-347,548.96-81,889.63

Finding the Fourth Proportional to 231,680.23, 347,548.96 and 81,889.63

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Solution

The fourth proportional to 231,680.23, 347,548.96 and 81,889.63 is: 122,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,680.23 : 347,548.96 = 81,889.63 : x
  2. Step 2: Convert to fraction form
    231,680.23/347,548.96 = 81,889.63/x
  3. Step 3: Cross multiply
    231,680.23x = 347,548.96 × 81,889.63
  4. Step 4: Simplify right side
    231,680.23x = 28,460,654,974.77
  5. Step 5: Solve for x
    x = 28,460,654,974.77/231,680.23
  6. Step 6: Final answer
    x = 122,844.56

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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.