Home / 179,478.56-268,920.24-109,145.12

Finding the Fourth Proportional to 179,478.56, 268,920.24 and 109,145.12

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Solution

The fourth proportional to 179,478.56, 268,920.24 and 109,145.12 is: 163,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,478.56 : 268,920.24 = 109,145.12 : x
  2. Step 2: Convert to fraction form
    179,478.56/268,920.24 = 109,145.12/x
  3. Step 3: Cross multiply
    179,478.56x = 268,920.24 × 109,145.12
  4. Step 4: Simplify right side
    179,478.56x = 29,351,331,865.23
  5. Step 5: Solve for x
    x = 29,351,331,865.23/179,478.56
  6. Step 6: Final answer
    x = 163,536.70

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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.