Home / 188,578.78-260,216.91-108,001.50

Finding the Fourth Proportional to 188,578.78, 260,216.91 and 108,001.50

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Solution

The fourth proportional to 188,578.78, 260,216.91 and 108,001.50 is: 149,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,578.78 : 260,216.91 = 108,001.50 : x
  2. Step 2: Convert to fraction form
    188,578.78/260,216.91 = 108,001.50/x
  3. Step 3: Cross multiply
    188,578.78x = 260,216.91 × 108,001.50
  4. Step 4: Simplify right side
    188,578.78x = 28,103,816,605.37
  5. Step 5: Solve for x
    x = 28,103,816,605.37/188,578.78
  6. Step 6: Final answer
    x = 149,029.58

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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.