Home / 120,348.56-166,082.32-66,634.52

Finding the Fourth Proportional to 120,348.56, 166,082.32 and 66,634.52

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Solution

The fourth proportional to 120,348.56, 166,082.32 and 66,634.52 is: 91,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348.56 : 166,082.32 = 66,634.52 : x
  2. Step 2: Convert to fraction form
    120,348.56/166,082.32 = 66,634.52/x
  3. Step 3: Cross multiply
    120,348.56x = 166,082.32 × 66,634.52
  4. Step 4: Simplify right side
    120,348.56x = 11,066,815,673.69
  5. Step 5: Solve for x
    x = 11,066,815,673.69/120,348.56
  6. Step 6: Final answer
    x = 91,956.36

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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.