Home / 173,208.20-259,812.30-137,778.80

Finding the Fourth Proportional to 173,208.20, 259,812.30 and 137,778.80

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Solution

The fourth proportional to 173,208.20, 259,812.30 and 137,778.80 is: 206,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,208.20 : 259,812.30 = 137,778.80 : x
  2. Step 2: Convert to fraction form
    173,208.20/259,812.30 = 137,778.80/x
  3. Step 3: Cross multiply
    173,208.20x = 259,812.30 × 137,778.80
  4. Step 4: Simplify right side
    173,208.20x = 35,796,626,919.24
  5. Step 5: Solve for x
    x = 35,796,626,919.24/173,208.20
  6. Step 6: Final answer
    x = 206,668.20

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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.