Home / 110,145.32-165,218.10-30,183.97

Finding the Fourth Proportional to 110,145.32, 165,218.10 and 30,183.97

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Solution

The fourth proportional to 110,145.32, 165,218.10 and 30,183.97 is: 45,275.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,145.32 : 165,218.10 = 30,183.97 : x
  2. Step 2: Convert to fraction form
    110,145.32/165,218.10 = 30,183.97/x
  3. Step 3: Cross multiply
    110,145.32x = 165,218.10 × 30,183.97
  4. Step 4: Simplify right side
    110,145.32x = 4,986,938,173.86
  5. Step 5: Solve for x
    x = 4,986,938,173.86/110,145.32
  6. Step 6: Final answer
    x = 45,275.99

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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.