Home / 110,824.20-166,236.30-66,428.10

Finding the Fourth Proportional to 110,824.20, 166,236.30 and 66,428.10

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Solution

The fourth proportional to 110,824.20, 166,236.30 and 66,428.10 is: 99,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,824.20 : 166,236.30 = 66,428.10 : x
  2. Step 2: Convert to fraction form
    110,824.20/166,236.30 = 66,428.10/x
  3. Step 3: Cross multiply
    110,824.20x = 166,236.30 × 66,428.10
  4. Step 4: Simplify right side
    110,824.20x = 11,042,761,560.03
  5. Step 5: Solve for x
    x = 11,042,761,560.03/110,824.20
  6. Step 6: Final answer
    x = 99,642.15

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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.