Home / 131,697.99-181,743.23-71,268.64

Finding the Fourth Proportional to 131,697.99, 181,743.23 and 71,268.64

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Solution

The fourth proportional to 131,697.99, 181,743.23 and 71,268.64 is: 98,350.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,697.99 : 181,743.23 = 71,268.64 : x
  2. Step 2: Convert to fraction form
    131,697.99/181,743.23 = 71,268.64/x
  3. Step 3: Cross multiply
    131,697.99x = 181,743.23 × 71,268.64
  4. Step 4: Simplify right side
    131,697.99x = 12,952,591,566.25
  5. Step 5: Solve for x
    x = 12,952,591,566.25/131,697.99
  6. Step 6: Final answer
    x = 98,350.71

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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.