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Finding the Fourth Proportional to 110,230.59, 165,315.84 and 30,249.59

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Solution

The fourth proportional to 110,230.59, 165,315.84 and 30,249.59 is: 45,366.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,230.59 : 165,315.84 = 30,249.59 : x
  2. Step 2: Convert to fraction form
    110,230.59/165,315.84 = 30,249.59/x
  3. Step 3: Cross multiply
    110,230.59x = 165,315.84 × 30,249.59
  4. Step 4: Simplify right side
    110,230.59x = 5,000,736,380.51
  5. Step 5: Solve for x
    x = 5,000,736,380.51/110,230.59
  6. Step 6: Final answer
    x = 45,366.14

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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.