Home / 121,361.24-167,477.46-66,170.60

Finding the Fourth Proportional to 121,361.24, 167,477.46 and 66,170.60

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Solution

The fourth proportional to 121,361.24, 167,477.46 and 66,170.60 is: 91,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,361.24 : 167,477.46 = 66,170.60 : x
  2. Step 2: Convert to fraction form
    121,361.24/167,477.46 = 66,170.60/x
  3. Step 3: Cross multiply
    121,361.24x = 167,477.46 × 66,170.60
  4. Step 4: Simplify right side
    121,361.24x = 11,082,083,365.32
  5. Step 5: Solve for x
    x = 11,082,083,365.32/121,361.24
  6. Step 6: Final answer
    x = 91,314.85

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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.