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Finding the Fourth Proportional to 95,119, 131,263.94 and 54,832.54

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Solution

The fourth proportional to 95,119, 131,263.94 and 54,832.54 is: 75,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,119 : 131,263.94 = 54,832.54 : x
  2. Step 2: Convert to fraction form
    95,119/131,263.94 = 54,832.54/x
  3. Step 3: Cross multiply
    95,119x = 131,263.94 × 54,832.54
  4. Step 4: Simplify right side
    95,119x = 7,197,535,240.61
  5. Step 5: Solve for x
    x = 7,197,535,240.61/95,119
  6. Step 6: Final answer
    x = 75,668.74

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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.