Home / 259,234.20-388,762.20-126,028.62

Finding the Fourth Proportional to 259,234.20, 388,762.20 and 126,028.62

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Solution

The fourth proportional to 259,234.20, 388,762.20 and 126,028.62 is: 188,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,234.20 : 388,762.20 = 126,028.62 : x
  2. Step 2: Convert to fraction form
    259,234.20/388,762.20 = 126,028.62/x
  3. Step 3: Cross multiply
    259,234.20x = 388,762.20 × 126,028.62
  4. Step 4: Simplify right side
    259,234.20x = 48,995,163,574.16
  5. Step 5: Solve for x
    x = 48,995,163,574.16/259,234.20
  6. Step 6: Final answer
    x = 188,999.61

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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.