Home / 85,194.43-127,594.71-82,241.98

Finding the Fourth Proportional to 85,194.43, 127,594.71 and 82,241.98

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Solution

The fourth proportional to 85,194.43, 127,594.71 and 82,241.98 is: 123,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.43 : 127,594.71 = 82,241.98 : x
  2. Step 2: Convert to fraction form
    85,194.43/127,594.71 = 82,241.98/x
  3. Step 3: Cross multiply
    85,194.43x = 127,594.71 × 82,241.98
  4. Step 4: Simplify right side
    85,194.43x = 10,493,641,268.94
  5. Step 5: Solve for x
    x = 10,493,641,268.94/85,194.43
  6. Step 6: Final answer
    x = 123,172.86

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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.