Home / 148,786.30-223,191.60-69,857.47

Finding the Fourth Proportional to 148,786.30, 223,191.60 and 69,857.47

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Solution

The fourth proportional to 148,786.30, 223,191.60 and 69,857.47 is: 104,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,786.30 : 223,191.60 = 69,857.47 : x
  2. Step 2: Convert to fraction form
    148,786.30/223,191.60 = 69,857.47/x
  3. Step 3: Cross multiply
    148,786.30x = 223,191.60 × 69,857.47
  4. Step 4: Simplify right side
    148,786.30x = 15,591,599,036.01
  5. Step 5: Solve for x
    x = 15,591,599,036.01/148,786.30
  6. Step 6: Final answer
    x = 104,791.90

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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.