Home / 131,600.68-181,608.41-71,171.39

Finding the Fourth Proportional to 131,600.68, 181,608.41 and 71,171.39

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Solution

The fourth proportional to 131,600.68, 181,608.41 and 71,171.39 is: 98,216.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,600.68 : 181,608.41 = 71,171.39 : x
  2. Step 2: Convert to fraction form
    131,600.68/181,608.41 = 71,171.39/x
  3. Step 3: Cross multiply
    131,600.68x = 181,608.41 × 71,171.39
  4. Step 4: Simplify right side
    131,600.68x = 12,925,322,245.28
  5. Step 5: Solve for x
    x = 12,925,322,245.28/131,600.68
  6. Step 6: Final answer
    x = 98,216.23

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1.5x scale

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.