Home / 111,772.40-167,464.20-91,943.60

Finding the Fourth Proportional to 111,772.40, 167,464.20 and 91,943.60

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Solution

The fourth proportional to 111,772.40, 167,464.20 and 91,943.60 is: 137,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,772.40 : 167,464.20 = 91,943.60 : x
  2. Step 2: Convert to fraction form
    111,772.40/167,464.20 = 91,943.60/x
  3. Step 3: Cross multiply
    111,772.40x = 167,464.20 × 91,943.60
  4. Step 4: Simplify right side
    111,772.40x = 15,397,261,419.12
  5. Step 5: Solve for x
    x = 15,397,261,419.12/111,772.40
  6. Step 6: Final answer
    x = 137,755.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.