Home / 204,120.68-281,688.03-112,241.57

Finding the Fourth Proportional to 204,120.68, 281,688.03 and 112,241.57

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Solution

The fourth proportional to 204,120.68, 281,688.03 and 112,241.57 is: 154,894.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,120.68 : 281,688.03 = 112,241.57 : x
  2. Step 2: Convert to fraction form
    204,120.68/281,688.03 = 112,241.57/x
  3. Step 3: Cross multiply
    204,120.68x = 281,688.03 × 112,241.57
  4. Step 4: Simplify right side
    204,120.68x = 31,617,105,328.97
  5. Step 5: Solve for x
    x = 31,617,105,328.97/204,120.68
  6. Step 6: Final answer
    x = 154,894.18

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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.