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Finding the Fourth Proportional to 92,165.37, 127,188.50 and 51,879.77

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Solution

The fourth proportional to 92,165.37, 127,188.50 and 51,879.77 is: 71,594.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,165.37 : 127,188.50 = 51,879.77 : x
  2. Step 2: Convert to fraction form
    92,165.37/127,188.50 = 51,879.77/x
  3. Step 3: Cross multiply
    92,165.37x = 127,188.50 × 51,879.77
  4. Step 4: Simplify right side
    92,165.37x = 6,598,510,126.65
  5. Step 5: Solve for x
    x = 6,598,510,126.65/92,165.37
  6. Step 6: Final answer
    x = 71,594.25

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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.