Home / 81,550.18-122,377.24-37,181.34

Finding the Fourth Proportional to 81,550.18, 122,377.24 and 37,181.34

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Solution

The fourth proportional to 81,550.18, 122,377.24 and 37,181.34 is: 55,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,550.18 : 122,377.24 = 37,181.34 : x
  2. Step 2: Convert to fraction form
    81,550.18/122,377.24 = 37,181.34/x
  3. Step 3: Cross multiply
    81,550.18x = 122,377.24 × 37,181.34
  4. Step 4: Simplify right side
    81,550.18x = 4,550,149,768.70
  5. Step 5: Solve for x
    x = 4,550,149,768.70/81,550.18
  6. Step 6: Final answer
    x = 55,795.70

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1.5x scale

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.