Home / 137,556.20-206,334.30-118,529.30

Finding the Fourth Proportional to 137,556.20, 206,334.30 and 118,529.30

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Solution

The fourth proportional to 137,556.20, 206,334.30 and 118,529.30 is: 177,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,556.20 : 206,334.30 = 118,529.30 : x
  2. Step 2: Convert to fraction form
    137,556.20/206,334.30 = 118,529.30/x
  3. Step 3: Cross multiply
    137,556.20x = 206,334.30 × 118,529.30
  4. Step 4: Simplify right side
    137,556.20x = 24,456,660,144.99
  5. Step 5: Solve for x
    x = 24,456,660,144.99/137,556.20
  6. Step 6: Final answer
    x = 177,793.95

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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.