Home / 109,169.91-163,770.23-38,082.18

Finding the Fourth Proportional to 109,169.91, 163,770.23 and 38,082.18

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Solution

The fourth proportional to 109,169.91, 163,770.23 and 38,082.18 is: 57,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,169.91 : 163,770.23 = 38,082.18 : x
  2. Step 2: Convert to fraction form
    109,169.91/163,770.23 = 38,082.18/x
  3. Step 3: Cross multiply
    109,169.91x = 163,770.23 × 38,082.18
  4. Step 4: Simplify right side
    109,169.91x = 6,236,727,377.50
  5. Step 5: Solve for x
    x = 6,236,727,377.50/109,169.91
  6. Step 6: Final answer
    x = 57,128.63

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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.