Home / 140,759.64-194,194.26-80,333.64

Finding the Fourth Proportional to 140,759.64, 194,194.26 and 80,333.64

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Solution

The fourth proportional to 140,759.64, 194,194.26 and 80,333.64 is: 110,829.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,759.64 : 194,194.26 = 80,333.64 : x
  2. Step 2: Convert to fraction form
    140,759.64/194,194.26 = 80,333.64/x
  3. Step 3: Cross multiply
    140,759.64x = 194,194.26 × 80,333.64
  4. Step 4: Simplify right side
    140,759.64x = 15,600,331,772.91
  5. Step 5: Solve for x
    x = 15,600,331,772.91/140,759.64
  6. Step 6: Final answer
    x = 110,829.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.