Home / 109,195.68-163,794.43-30,316.05

Finding the Fourth Proportional to 109,195.68, 163,794.43 and 30,316.05

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Solution

The fourth proportional to 109,195.68, 163,794.43 and 30,316.05 is: 45,474.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,195.68 : 163,794.43 = 30,316.05 : x
  2. Step 2: Convert to fraction form
    109,195.68/163,794.43 = 30,316.05/x
  3. Step 3: Cross multiply
    109,195.68x = 163,794.43 × 30,316.05
  4. Step 4: Simplify right side
    109,195.68x = 4,965,600,781.73
  5. Step 5: Solve for x
    x = 4,965,600,781.73/109,195.68
  6. Step 6: Final answer
    x = 45,474.34

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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.