Home / 109,122.91-163,683.92-30,236.91

Finding the Fourth Proportional to 109,122.91, 163,683.92 and 30,236.91

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Solution

The fourth proportional to 109,122.91, 163,683.92 and 30,236.91 is: 45,355.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,122.91 : 163,683.92 = 30,236.91 : x
  2. Step 2: Convert to fraction form
    109,122.91/163,683.92 = 30,236.91/x
  3. Step 3: Cross multiply
    109,122.91x = 163,683.92 × 30,236.91
  4. Step 4: Simplify right side
    109,122.91x = 4,949,295,806.30
  5. Step 5: Solve for x
    x = 4,949,295,806.30/109,122.91
  6. Step 6: Final answer
    x = 45,355.24

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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.