Home / 74,165.20-111,246.82-18,005.75

Finding the Fourth Proportional to 74,165.20, 111,246.82 and 18,005.75

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Solution

The fourth proportional to 74,165.20, 111,246.82 and 18,005.75 is: 27,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.20 : 111,246.82 = 18,005.75 : x
  2. Step 2: Convert to fraction form
    74,165.20/111,246.82 = 18,005.75/x
  3. Step 3: Cross multiply
    74,165.20x = 111,246.82 × 18,005.75
  4. Step 4: Simplify right side
    74,165.20x = 2,003,082,429.22
  5. Step 5: Solve for x
    x = 2,003,082,429.22/74,165.20
  6. Step 6: Final answer
    x = 27,008.39

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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.