Home / 120,348.44-166,082.15-66,634.40

Finding the Fourth Proportional to 120,348.44, 166,082.15 and 66,634.40

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Solution

The fourth proportional to 120,348.44, 166,082.15 and 66,634.40 is: 91,956.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348.44 : 166,082.15 = 66,634.40 : x
  2. Step 2: Convert to fraction form
    120,348.44/166,082.15 = 66,634.40/x
  3. Step 3: Cross multiply
    120,348.44x = 166,082.15 × 66,634.40
  4. Step 4: Simplify right side
    120,348.44x = 11,066,783,752.14
  5. Step 5: Solve for x
    x = 11,066,783,752.14/120,348.44
  6. Step 6: Final answer
    x = 91,956.19

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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.