Home / 131,629.96-181,649.37-71,200.59

Finding the Fourth Proportional to 131,629.96, 181,649.37 and 71,200.59

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Solution

The fourth proportional to 131,629.96, 181,649.37 and 71,200.59 is: 98,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,629.96 : 181,649.37 = 71,200.59 : x
  2. Step 2: Convert to fraction form
    131,629.96/181,649.37 = 71,200.59/x
  3. Step 3: Cross multiply
    131,629.96x = 181,649.37 × 71,200.59
  4. Step 4: Simplify right side
    131,629.96x = 12,933,542,317.13
  5. Step 5: Solve for x
    x = 12,933,542,317.13/131,629.96
  6. Step 6: Final answer
    x = 98,256.83

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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.