Home / 189,964.35-262,127.97-109,418.07

Finding the Fourth Proportional to 189,964.35, 262,127.97 and 109,418.07

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Solution

The fourth proportional to 189,964.35, 262,127.97 and 109,418.07 is: 150,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,964.35 : 262,127.97 = 109,418.07 : x
  2. Step 2: Convert to fraction form
    189,964.35/262,127.97 = 109,418.07/x
  3. Step 3: Cross multiply
    189,964.35x = 262,127.97 × 109,418.07
  4. Step 4: Simplify right side
    189,964.35x = 28,681,536,570.42
  5. Step 5: Solve for x
    x = 28,681,536,570.42/189,964.35
  6. Step 6: Final answer
    x = 150,983.78

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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.