Home / 171,845.20-257,998.65-100,840.60

Finding the Fourth Proportional to 171,845.20, 257,998.65 and 100,840.60

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Solution

The fourth proportional to 171,845.20, 257,998.65 and 100,840.60 is: 151,396.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,845.20 : 257,998.65 = 100,840.60 : x
  2. Step 2: Convert to fraction form
    171,845.20/257,998.65 = 100,840.60/x
  3. Step 3: Cross multiply
    171,845.20x = 257,998.65 × 100,840.60
  4. Step 4: Simplify right side
    171,845.20x = 26,016,738,665.19
  5. Step 5: Solve for x
    x = 26,016,738,665.19/171,845.20
  6. Step 6: Final answer
    x = 151,396.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.