Home / 110,828.70-166,243.05-66,432.60

Finding the Fourth Proportional to 110,828.70, 166,243.05 and 66,432.60

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Solution

The fourth proportional to 110,828.70, 166,243.05 and 66,432.60 is: 99,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,828.70 : 166,243.05 = 66,432.60 : x
  2. Step 2: Convert to fraction form
    110,828.70/166,243.05 = 66,432.60/x
  3. Step 3: Cross multiply
    110,828.70x = 166,243.05 × 66,432.60
  4. Step 4: Simplify right side
    110,828.70x = 11,043,958,043.43
  5. Step 5: Solve for x
    x = 11,043,958,043.43/110,828.70
  6. Step 6: Final answer
    x = 99,648.90

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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.