Home / 231,689.34-347,584.95-131,896.26

Finding the Fourth Proportional to 231,689.34, 347,584.95 and 131,896.26

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Solution

The fourth proportional to 231,689.34, 347,584.95 and 131,896.26 is: 197,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,689.34 : 347,584.95 = 131,896.26 : x
  2. Step 2: Convert to fraction form
    231,689.34/347,584.95 = 131,896.26/x
  3. Step 3: Cross multiply
    231,689.34x = 347,584.95 × 131,896.26
  4. Step 4: Simplify right side
    231,689.34x = 45,845,154,937.29
  5. Step 5: Solve for x
    x = 45,845,154,937.29/231,689.34
  6. Step 6: Final answer
    x = 197,873.39

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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.