Home / 109,243.48-150,778.33-68,930.08

Finding the Fourth Proportional to 109,243.48, 150,778.33 and 68,930.08

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Solution

The fourth proportional to 109,243.48, 150,778.33 and 68,930.08 is: 95,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,243.48 : 150,778.33 = 68,930.08 : x
  2. Step 2: Convert to fraction form
    109,243.48/150,778.33 = 68,930.08/x
  3. Step 3: Cross multiply
    109,243.48x = 150,778.33 × 68,930.08
  4. Step 4: Simplify right side
    109,243.48x = 10,393,161,250.62
  5. Step 5: Solve for x
    x = 10,393,161,250.62/109,243.48
  6. Step 6: Final answer
    x = 95,137.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.