Home / 95,223.21-142,711.80-45,318.61

Finding the Fourth Proportional to 95,223.21, 142,711.80 and 45,318.61

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Solution

The fourth proportional to 95,223.21, 142,711.80 and 45,318.61 is: 67,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,223.21 : 142,711.80 = 45,318.61 : x
  2. Step 2: Convert to fraction form
    95,223.21/142,711.80 = 45,318.61/x
  3. Step 3: Cross multiply
    95,223.21x = 142,711.80 × 45,318.61
  4. Step 4: Simplify right side
    95,223.21x = 6,467,499,739.75
  5. Step 5: Solve for x
    x = 6,467,499,739.75/95,223.21
  6. Step 6: Final answer
    x = 67,919.36

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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.