Home / 109,052.28-150,494.52-66,634.20

Finding the Fourth Proportional to 109,052.28, 150,494.52 and 66,634.20

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Solution

The fourth proportional to 109,052.28, 150,494.52 and 66,634.20 is: 91,956.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,052.28 : 150,494.52 = 66,634.20 : x
  2. Step 2: Convert to fraction form
    109,052.28/150,494.52 = 66,634.20/x
  3. Step 3: Cross multiply
    109,052.28x = 150,494.52 × 66,634.20
  4. Step 4: Simplify right side
    109,052.28x = 10,028,081,944.58
  5. Step 5: Solve for x
    x = 10,028,081,944.58/109,052.28
  6. Step 6: Final answer
    x = 91,956.65

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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.