Home / 217,928.04-300,765.10-131,934.42

Finding the Fourth Proportional to 217,928.04, 300,765.10 and 131,934.42

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Solution

The fourth proportional to 217,928.04, 300,765.10 and 131,934.42 is: 182,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,928.04 : 300,765.10 = 131,934.42 : x
  2. Step 2: Convert to fraction form
    217,928.04/300,765.10 = 131,934.42/x
  3. Step 3: Cross multiply
    217,928.04x = 300,765.10 × 131,934.42
  4. Step 4: Simplify right side
    217,928.04x = 39,681,269,024.74
  5. Step 5: Solve for x
    x = 39,681,269,024.74/217,928.04
  6. Step 6: Final answer
    x = 182,084.27

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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.