Home / 95,286.45-142,739.10-57,314.76

Finding the Fourth Proportional to 95,286.45, 142,739.10 and 57,314.76

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Solution

The fourth proportional to 95,286.45, 142,739.10 and 57,314.76 is: 85,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,286.45 : 142,739.10 = 57,314.76 : x
  2. Step 2: Convert to fraction form
    95,286.45/142,739.10 = 57,314.76/x
  3. Step 3: Cross multiply
    95,286.45x = 142,739.10 × 57,314.76
  4. Step 4: Simplify right side
    95,286.45x = 8,181,056,723.84
  5. Step 5: Solve for x
    x = 8,181,056,723.84/95,286.45
  6. Step 6: Final answer
    x = 85,857.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.