Home / 231,541.94-347,354.22-81,869.13

Finding the Fourth Proportional to 231,541.94, 347,354.22 and 81,869.13

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Solution

The fourth proportional to 231,541.94, 347,354.22 and 81,869.13 is: 122,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,541.94 : 347,354.22 = 81,869.13 : x
  2. Step 2: Convert to fraction form
    231,541.94/347,354.22 = 81,869.13/x
  3. Step 3: Cross multiply
    231,541.94x = 347,354.22 × 81,869.13
  4. Step 4: Simplify right side
    231,541.94x = 28,437,588,100.24
  5. Step 5: Solve for x
    x = 28,437,588,100.24/231,541.94
  6. Step 6: Final answer
    x = 122,818.30

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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.