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Finding the Fourth Proportional to 92,135.56, 127,141.70 and 51,850.92

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Solution

The fourth proportional to 92,135.56, 127,141.70 and 51,850.92 is: 71,551.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,135.56 : 127,141.70 = 51,850.92 : x
  2. Step 2: Convert to fraction form
    92,135.56/127,141.70 = 51,850.92/x
  3. Step 3: Cross multiply
    92,135.56x = 127,141.70 × 51,850.92
  4. Step 4: Simplify right side
    92,135.56x = 6,592,414,115.36
  5. Step 5: Solve for x
    x = 6,592,414,115.36/92,135.56
  6. Step 6: Final answer
    x = 71,551.25

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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.