Home / 189,791.37-261,904.77-109,244.79

Finding the Fourth Proportional to 189,791.37, 261,904.77 and 109,244.79

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Solution

The fourth proportional to 189,791.37, 261,904.77 and 109,244.79 is: 150,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,791.37 : 261,904.77 = 109,244.79 : x
  2. Step 2: Convert to fraction form
    189,791.37/261,904.77 = 109,244.79/x
  3. Step 3: Cross multiply
    189,791.37x = 261,904.77 × 109,244.79
  4. Step 4: Simplify right side
    189,791.37x = 28,611,731,598.65
  5. Step 5: Solve for x
    x = 28,611,731,598.65/189,791.37
  6. Step 6: Final answer
    x = 150,753.60

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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.