Home / 107,727.18-161,590.60-107,571.36

Finding the Fourth Proportional to 107,727.18, 161,590.60 and 107,571.36

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Solution

The fourth proportional to 107,727.18, 161,590.60 and 107,571.36 is: 161,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,727.18 : 161,590.60 = 107,571.36 : x
  2. Step 2: Convert to fraction form
    107,727.18/161,590.60 = 107,571.36/x
  3. Step 3: Cross multiply
    107,727.18x = 161,590.60 × 107,571.36
  4. Step 4: Simplify right side
    107,727.18x = 17,382,520,739.68
  5. Step 5: Solve for x
    x = 17,382,520,739.68/107,727.18
  6. Step 6: Final answer
    x = 161,356.87

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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.