Home / 188,737.11-260,458.10-108,169.40

Finding the Fourth Proportional to 188,737.11, 260,458.10 and 108,169.40

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Solution

The fourth proportional to 188,737.11, 260,458.10 and 108,169.40 is: 149,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,737.11 : 260,458.10 = 108,169.40 : x
  2. Step 2: Convert to fraction form
    188,737.11/260,458.10 = 108,169.40/x
  3. Step 3: Cross multiply
    188,737.11x = 260,458.10 × 108,169.40
  4. Step 4: Simplify right side
    188,737.11x = 28,173,594,559.00
  5. Step 5: Solve for x
    x = 28,173,594,559.00/188,737.11
  6. Step 6: Final answer
    x = 149,274.27

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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.