Home / 131,268.33-181,146.11-73,910.61

Finding the Fourth Proportional to 131,268.33, 181,146.11 and 73,910.61

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Solution

The fourth proportional to 131,268.33, 181,146.11 and 73,910.61 is: 101,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,268.33 : 181,146.11 = 73,910.61 : x
  2. Step 2: Convert to fraction form
    131,268.33/181,146.11 = 73,910.61/x
  3. Step 3: Cross multiply
    131,268.33x = 181,146.11 × 73,910.61
  4. Step 4: Simplify right side
    131,268.33x = 13,388,619,119.67
  5. Step 5: Solve for x
    x = 13,388,619,119.67/131,268.33
  6. Step 6: Final answer
    x = 101,994.28

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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.