Home / 108,143.21-162,215.20-33,262.85

Finding the Fourth Proportional to 108,143.21, 162,215.20 and 33,262.85

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Solution

The fourth proportional to 108,143.21, 162,215.20 and 33,262.85 is: 49,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,143.21 : 162,215.20 = 33,262.85 : x
  2. Step 2: Convert to fraction form
    108,143.21/162,215.20 = 33,262.85/x
  3. Step 3: Cross multiply
    108,143.21x = 162,215.20 × 33,262.85
  4. Step 4: Simplify right side
    108,143.21x = 5,395,739,699.01
  5. Step 5: Solve for x
    x = 5,395,739,699.01/108,143.21
  6. Step 6: Final answer
    x = 49,894.39

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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.