Home / 188,722.78-260,444.60-108,165.85

Finding the Fourth Proportional to 188,722.78, 260,444.60 and 108,165.85

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Solution

The fourth proportional to 188,722.78, 260,444.60 and 108,165.85 is: 149,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,722.78 : 260,444.60 = 108,165.85 : x
  2. Step 2: Convert to fraction form
    188,722.78/260,444.60 = 108,165.85/x
  3. Step 3: Cross multiply
    188,722.78x = 260,444.60 × 108,165.85
  4. Step 4: Simplify right side
    188,722.78x = 28,171,210,750.59
  5. Step 5: Solve for x
    x = 28,171,210,750.59/188,722.78
  6. Step 6: Final answer
    x = 149,272.98

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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.