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Finding the Fourth Proportional to 95,153, 131,311.14 and 57,427.26

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Solution

The fourth proportional to 95,153, 131,311.14 and 57,427.26 is: 79,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,153 : 131,311.14 = 57,427.26 : x
  2. Step 2: Convert to fraction form
    95,153/131,311.14 = 57,427.26/x
  3. Step 3: Cross multiply
    95,153x = 131,311.14 × 57,427.26
  4. Step 4: Simplify right side
    95,153x = 7,540,838,977.68
  5. Step 5: Solve for x
    x = 7,540,838,977.68/95,153
  6. Step 6: Final answer
    x = 79,249.62

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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.