Home / 188,915.99-260,260.61-131,456.49

Finding the Fourth Proportional to 188,915.99, 260,260.61 and 131,456.49

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Solution

The fourth proportional to 188,915.99, 260,260.61 and 131,456.49 is: 181,101.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,915.99 : 260,260.61 = 131,456.49 : x
  2. Step 2: Convert to fraction form
    188,915.99/260,260.61 = 131,456.49/x
  3. Step 3: Cross multiply
    188,915.99x = 260,260.61 × 131,456.49
  4. Step 4: Simplify right side
    188,915.99x = 34,212,946,604.50
  5. Step 5: Solve for x
    x = 34,212,946,604.50/188,915.99
  6. Step 6: Final answer
    x = 181,101.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.