Home / 120,361.46-166,096.79-66,645.33

Finding the Fourth Proportional to 120,361.46, 166,096.79 and 66,645.33

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Solution

The fourth proportional to 120,361.46, 166,096.79 and 66,645.33 is: 91,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,361.46 : 166,096.79 = 66,645.33 : x
  2. Step 2: Convert to fraction form
    120,361.46/166,096.79 = 66,645.33/x
  3. Step 3: Cross multiply
    120,361.46x = 166,096.79 × 66,645.33
  4. Step 4: Simplify right side
    120,361.46x = 11,069,574,652.25
  5. Step 5: Solve for x
    x = 11,069,574,652.25/120,361.46
  6. Step 6: Final answer
    x = 91,969.43

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1.5x scale

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.