Home / 222,119.62-306,564.55-131,525.88

Finding the Fourth Proportional to 222,119.62, 306,564.55 and 131,525.88

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Solution

The fourth proportional to 222,119.62, 306,564.55 and 131,525.88 is: 181,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,119.62 : 306,564.55 = 131,525.88 : x
  2. Step 2: Convert to fraction form
    222,119.62/306,564.55 = 131,525.88/x
  3. Step 3: Cross multiply
    222,119.62x = 306,564.55 × 131,525.88
  4. Step 4: Simplify right side
    222,119.62x = 40,321,170,737.12
  5. Step 5: Solve for x
    x = 40,321,170,737.12/222,119.62
  6. Step 6: Final answer
    x = 181,529.08

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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.