Home / 121,216.82-181,825.37-36,972.53

Finding the Fourth Proportional to 121,216.82, 181,825.37 and 36,972.53

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Solution

The fourth proportional to 121,216.82, 181,825.37 and 36,972.53 is: 55,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.82 : 181,825.37 = 36,972.53 : x
  2. Step 2: Convert to fraction form
    121,216.82/181,825.37 = 36,972.53/x
  3. Step 3: Cross multiply
    121,216.82x = 181,825.37 × 36,972.53
  4. Step 4: Simplify right side
    121,216.82x = 6,722,543,130.39
  5. Step 5: Solve for x
    x = 6,722,543,130.39/121,216.82
  6. Step 6: Final answer
    x = 55,458.83

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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.