Home / 188,799.08-260,500.90-109,265

Finding the Fourth Proportional to 188,799.08, 260,500.90 and 109,265

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Solution

The fourth proportional to 188,799.08, 260,500.90 and 109,265 is: 150,761.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,799.08 : 260,500.90 = 109,265 : x
  2. Step 2: Convert to fraction form
    188,799.08/260,500.90 = 109,265/x
  3. Step 3: Cross multiply
    188,799.08x = 260,500.90 × 109,265
  4. Step 4: Simplify right side
    188,799.08x = 28,463,630,838.50
  5. Step 5: Solve for x
    x = 28,463,630,838.50/188,799.08
  6. Step 6: Final answer
    x = 150,761.49

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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.