Home / 74,102.73-111,154.38-17,942.75

Finding the Fourth Proportional to 74,102.73, 111,154.38 and 17,942.75

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Solution

The fourth proportional to 74,102.73, 111,154.38 and 17,942.75 is: 26,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,102.73 : 111,154.38 = 17,942.75 : x
  2. Step 2: Convert to fraction form
    74,102.73/111,154.38 = 17,942.75/x
  3. Step 3: Cross multiply
    74,102.73x = 111,154.38 × 17,942.75
  4. Step 4: Simplify right side
    74,102.73x = 1,994,415,251.75
  5. Step 5: Solve for x
    x = 1,994,415,251.75/74,102.73
  6. Step 6: Final answer
    x = 26,914.19

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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.