Home / 231,664.80-347,059.80-118,961.40

Finding the Fourth Proportional to 231,664.80, 347,059.80 and 118,961.40

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Solution

The fourth proportional to 231,664.80, 347,059.80 and 118,961.40 is: 178,217.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,664.80 : 347,059.80 = 118,961.40 : x
  2. Step 2: Convert to fraction form
    231,664.80/347,059.80 = 118,961.40/x
  3. Step 3: Cross multiply
    231,664.80x = 347,059.80 × 118,961.40
  4. Step 4: Simplify right side
    231,664.80x = 41,286,719,691.72
  5. Step 5: Solve for x
    x = 41,286,719,691.72/231,664.80
  6. Step 6: Final answer
    x = 178,217.49

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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.