Home / 120,361.17-166,084.99-66,632.73

Finding the Fourth Proportional to 120,361.17, 166,084.99 and 66,632.73

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Solution

The fourth proportional to 120,361.17, 166,084.99 and 66,632.73 is: 91,945.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361.17 : 166,084.99 = 66,632.73 : x
  2. Step 2: Convert to fraction form
    120,361.17/166,084.99 = 66,632.73/x
  3. Step 3: Cross multiply
    120,361.17x = 166,084.99 × 66,632.73
  4. Step 4: Simplify right side
    120,361.17x = 11,066,696,295.72
  5. Step 5: Solve for x
    x = 11,066,696,295.72/120,361.17
  6. Step 6: Final answer
    x = 91,945.74

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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.