Home / 111,020.60-166,555.20-54,887.60

Finding the Fourth Proportional to 111,020.60, 166,555.20 and 54,887.60

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Solution

The fourth proportional to 111,020.60, 166,555.20 and 54,887.60 is: 82,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,020.60 : 166,555.20 = 54,887.60 : x
  2. Step 2: Convert to fraction form
    111,020.60/166,555.20 = 54,887.60/x
  3. Step 3: Cross multiply
    111,020.60x = 166,555.20 × 54,887.60
  4. Step 4: Simplify right side
    111,020.60x = 9,141,815,195.52
  5. Step 5: Solve for x
    x = 9,141,815,195.52/111,020.60
  6. Step 6: Final answer
    x = 82,343.41

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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.