Home / 217,924.03-300,759.57-131,930.41

Finding the Fourth Proportional to 217,924.03, 300,759.57 and 131,930.41

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Solution

The fourth proportional to 217,924.03, 300,759.57 and 131,930.41 is: 182,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,924.03 : 300,759.57 = 131,930.41 : x
  2. Step 2: Convert to fraction form
    217,924.03/300,759.57 = 131,930.41/x
  3. Step 3: Cross multiply
    217,924.03x = 300,759.57 × 131,930.41
  4. Step 4: Simplify right side
    217,924.03x = 39,679,333,381.52
  5. Step 5: Solve for x
    x = 39,679,333,381.52/217,924.03
  6. Step 6: Final answer
    x = 182,078.74

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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.