Home / 120,670.90-166,523.28-66,954.76

Finding the Fourth Proportional to 120,670.90, 166,523.28 and 66,954.76

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Solution

The fourth proportional to 120,670.90, 166,523.28 and 66,954.76 is: 92,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,670.90 : 166,523.28 = 66,954.76 : x
  2. Step 2: Convert to fraction form
    120,670.90/166,523.28 = 66,954.76/x
  3. Step 3: Cross multiply
    120,670.90x = 166,523.28 × 66,954.76
  4. Step 4: Simplify right side
    120,670.90x = 11,149,526,246.81
  5. Step 5: Solve for x
    x = 11,149,526,246.81/120,670.90
  6. Step 6: Final answer
    x = 92,396.15

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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.