Home / 162,811.73-244,375.25-78,631.07

Finding the Fourth Proportional to 162,811.73, 244,375.25 and 78,631.07

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Solution

The fourth proportional to 162,811.73, 244,375.25 and 78,631.07 is: 118,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,811.73 : 244,375.25 = 78,631.07 : x
  2. Step 2: Convert to fraction form
    162,811.73/244,375.25 = 78,631.07/x
  3. Step 3: Cross multiply
    162,811.73x = 244,375.25 × 78,631.07
  4. Step 4: Simplify right side
    162,811.73x = 19,215,485,773.99
  5. Step 5: Solve for x
    x = 19,215,485,773.99/162,811.73
  6. Step 6: Final answer
    x = 118,022.73

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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.