Home / 131,743.68-197,446.29-68,555.04

Finding the Fourth Proportional to 131,743.68, 197,446.29 and 68,555.04

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Solution

The fourth proportional to 131,743.68, 197,446.29 and 68,555.04 is: 102,744.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,743.68 : 197,446.29 = 68,555.04 : x
  2. Step 2: Convert to fraction form
    131,743.68/197,446.29 = 68,555.04/x
  3. Step 3: Cross multiply
    131,743.68x = 197,446.29 × 68,555.04
  4. Step 4: Simplify right side
    131,743.68x = 13,535,938,308.80
  5. Step 5: Solve for x
    x = 13,535,938,308.80/131,743.68
  6. Step 6: Final answer
    x = 102,744.50

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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.