Home / 108,906.28-150,304.26-66,466.60

Finding the Fourth Proportional to 108,906.28, 150,304.26 and 66,466.60

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Solution

The fourth proportional to 108,906.28, 150,304.26 and 66,466.60 is: 91,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906.28 : 150,304.26 = 66,466.60 : x
  2. Step 2: Convert to fraction form
    108,906.28/150,304.26 = 66,466.60/x
  3. Step 3: Cross multiply
    108,906.28x = 150,304.26 × 66,466.60
  4. Step 4: Simplify right side
    108,906.28x = 9,990,213,127.72
  5. Step 5: Solve for x
    x = 9,990,213,127.72/108,906.28
  6. Step 6: Final answer
    x = 91,732.20

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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.