Home / 231,516.12-347,301.90-81,725.52

Finding the Fourth Proportional to 231,516.12, 347,301.90 and 81,725.52

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Solution

The fourth proportional to 231,516.12, 347,301.90 and 81,725.52 is: 122,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.12 : 347,301.90 = 81,725.52 : x
  2. Step 2: Convert to fraction form
    231,516.12/347,301.90 = 81,725.52/x
  3. Step 3: Cross multiply
    231,516.12x = 347,301.90 × 81,725.52
  4. Step 4: Simplify right side
    231,516.12x = 28,383,428,374.49
  5. Step 5: Solve for x
    x = 28,383,428,374.49/231,516.12
  6. Step 6: Final answer
    x = 122,598.07

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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.