Home / 84,533.37-126,620.22-68,663.85

Finding the Fourth Proportional to 84,533.37, 126,620.22 and 68,663.85

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Solution

The fourth proportional to 84,533.37, 126,620.22 and 68,663.85 is: 102,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,533.37 : 126,620.22 = 68,663.85 : x
  2. Step 2: Convert to fraction form
    84,533.37/126,620.22 = 68,663.85/x
  3. Step 3: Cross multiply
    84,533.37x = 126,620.22 × 68,663.85
  4. Step 4: Simplify right side
    84,533.37x = 8,694,231,793.05
  5. Step 5: Solve for x
    x = 8,694,231,793.05/84,533.37
  6. Step 6: Final answer
    x = 102,849.70

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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.