Home / 336,940.20-505,176.18-126,521.64

Finding the Fourth Proportional to 336,940.20, 505,176.18 and 126,521.64

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Solution

The fourth proportional to 336,940.20, 505,176.18 and 126,521.64 is: 189,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,940.20 : 505,176.18 = 126,521.64 : x
  2. Step 2: Convert to fraction form
    336,940.20/505,176.18 = 126,521.64/x
  3. Step 3: Cross multiply
    336,940.20x = 505,176.18 × 126,521.64
  4. Step 4: Simplify right side
    336,940.20x = 63,915,718,782.54
  5. Step 5: Solve for x
    x = 63,915,718,782.54/336,940.20
  6. Step 6: Final answer
    x = 189,694.55

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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.