Home / 189,202.77-261,087.84-108,573.62

Finding the Fourth Proportional to 189,202.77, 261,087.84 and 108,573.62

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Solution

The fourth proportional to 189,202.77, 261,087.84 and 108,573.62 is: 149,824.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,202.77 : 261,087.84 = 108,573.62 : x
  2. Step 2: Convert to fraction form
    189,202.77/261,087.84 = 108,573.62/x
  3. Step 3: Cross multiply
    189,202.77x = 261,087.84 × 108,573.62
  4. Step 4: Simplify right side
    189,202.77x = 28,347,250,621.34
  5. Step 5: Solve for x
    x = 28,347,250,621.34/189,202.77
  6. Step 6: Final answer
    x = 149,824.71

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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.