Home / 119,738.64-165,249.24-66,034.20

Finding the Fourth Proportional to 119,738.64, 165,249.24 and 66,034.20

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Solution

The fourth proportional to 119,738.64, 165,249.24 and 66,034.20 is: 91,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,738.64 : 165,249.24 = 66,034.20 : x
  2. Step 2: Convert to fraction form
    119,738.64/165,249.24 = 66,034.20/x
  3. Step 3: Cross multiply
    119,738.64x = 165,249.24 × 66,034.20
  4. Step 4: Simplify right side
    119,738.64x = 10,912,101,364.01
  5. Step 5: Solve for x
    x = 10,912,101,364.01/119,738.64
  6. Step 6: Final answer
    x = 91,132.66

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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.