Home / 148,986.24-223,179.36-68,911.36

Finding the Fourth Proportional to 148,986.24, 223,179.36 and 68,911.36

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Solution

The fourth proportional to 148,986.24, 223,179.36 and 68,911.36 is: 103,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,986.24 : 223,179.36 = 68,911.36 : x
  2. Step 2: Convert to fraction form
    148,986.24/223,179.36 = 68,911.36/x
  3. Step 3: Cross multiply
    148,986.24x = 223,179.36 × 68,911.36
  4. Step 4: Simplify right side
    148,986.24x = 15,379,593,221.53
  5. Step 5: Solve for x
    x = 15,379,593,221.53/148,986.24
  6. Step 6: Final answer
    x = 103,228.28

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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.