Home / 108,144.21-162,216.70-33,263.85

Finding the Fourth Proportional to 108,144.21, 162,216.70 and 33,263.85

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Solution

The fourth proportional to 108,144.21, 162,216.70 and 33,263.85 is: 49,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,144.21 : 162,216.70 = 33,263.85 : x
  2. Step 2: Convert to fraction form
    108,144.21/162,216.70 = 33,263.85/x
  3. Step 3: Cross multiply
    108,144.21x = 162,216.70 × 33,263.85
  4. Step 4: Simplify right side
    108,144.21x = 5,395,951,976.30
  5. Step 5: Solve for x
    x = 5,395,951,976.30/108,144.21
  6. Step 6: Final answer
    x = 49,895.89

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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.