Home / 222,309.09-306,825.31-131,716.06

Finding the Fourth Proportional to 222,309.09, 306,825.31 and 131,716.06

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Solution

The fourth proportional to 222,309.09, 306,825.31 and 131,716.06 is: 181,791.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,309.09 : 306,825.31 = 131,716.06 : x
  2. Step 2: Convert to fraction form
    222,309.09/306,825.31 = 131,716.06/x
  3. Step 3: Cross multiply
    222,309.09x = 306,825.31 × 131,716.06
  4. Step 4: Simplify right side
    222,309.09x = 40,413,818,748.77
  5. Step 5: Solve for x
    x = 40,413,818,748.77/222,309.09
  6. Step 6: Final answer
    x = 181,791.13

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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.