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Finding the Fourth Proportional to 108,190.78, 162,307.08 and 33,297.64

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Solution

The fourth proportional to 108,190.78, 162,307.08 and 33,297.64 is: 49,952.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,190.78 : 162,307.08 = 33,297.64 : x
  2. Step 2: Convert to fraction form
    108,190.78/162,307.08 = 33,297.64/x
  3. Step 3: Cross multiply
    108,190.78x = 162,307.08 × 33,297.64
  4. Step 4: Simplify right side
    108,190.78x = 5,404,442,719.29
  5. Step 5: Solve for x
    x = 5,404,442,719.29/108,190.78
  6. Step 6: Final answer
    x = 49,952.90

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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.