Home / 74,165.07-111,247.63-18,005.25

Finding the Fourth Proportional to 74,165.07, 111,247.63 and 18,005.25

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Solution

The fourth proportional to 74,165.07, 111,247.63 and 18,005.25 is: 27,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,165.07 : 111,247.63 = 18,005.25 : x
  2. Step 2: Convert to fraction form
    74,165.07/111,247.63 = 18,005.25/x
  3. Step 3: Cross multiply
    74,165.07x = 111,247.63 × 18,005.25
  4. Step 4: Simplify right side
    74,165.07x = 2,003,040,833.82
  5. Step 5: Solve for x
    x = 2,003,040,833.82/74,165.07
  6. Step 6: Final answer
    x = 27,007.88

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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.