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Finding the Fourth Proportional to 92,149.97, 127,173.39 and 51,867.59

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Solution

The fourth proportional to 92,149.97, 127,173.39 and 51,867.59 is: 71,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,149.97 : 127,173.39 = 51,867.59 : x
  2. Step 2: Convert to fraction form
    92,149.97/127,173.39 = 51,867.59/x
  3. Step 3: Cross multiply
    92,149.97x = 127,173.39 × 51,867.59
  4. Step 4: Simplify right side
    92,149.97x = 6,596,177,251.43
  5. Step 5: Solve for x
    x = 6,596,177,251.43/92,149.97
  6. Step 6: Final answer
    x = 71,580.89

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1.5x scale

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.