Home / 106,481.60-146,991.84-68,774.24

Finding the Fourth Proportional to 106,481.60, 146,991.84 and 68,774.24

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Solution

The fourth proportional to 106,481.60, 146,991.84 and 68,774.24 is: 94,938.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,481.60 : 146,991.84 = 68,774.24 : x
  2. Step 2: Convert to fraction form
    106,481.60/146,991.84 = 68,774.24/x
  3. Step 3: Cross multiply
    106,481.60x = 146,991.84 × 68,774.24
  4. Step 4: Simplify right side
    106,481.60x = 10,109,252,082.20
  5. Step 5: Solve for x
    x = 10,109,252,082.20/106,481.60
  6. Step 6: Final answer
    x = 94,938.96

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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.