Home / 109,217.05-163,825.64-30,331.27

Finding the Fourth Proportional to 109,217.05, 163,825.64 and 30,331.27

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Solution

The fourth proportional to 109,217.05, 163,825.64 and 30,331.27 is: 45,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,217.05 : 163,825.64 = 30,331.27 : x
  2. Step 2: Convert to fraction form
    109,217.05/163,825.64 = 30,331.27/x
  3. Step 3: Cross multiply
    109,217.05x = 163,825.64 × 30,331.27
  4. Step 4: Simplify right side
    109,217.05x = 4,969,039,719.76
  5. Step 5: Solve for x
    x = 4,969,039,719.76/109,217.05
  6. Step 6: Final answer
    x = 45,496.92

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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.