Home / 230,672.20-318,329.94-135,235.40

Finding the Fourth Proportional to 230,672.20, 318,329.94 and 135,235.40

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Solution

The fourth proportional to 230,672.20, 318,329.94 and 135,235.40 is: 186,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,672.20 : 318,329.94 = 135,235.40 : x
  2. Step 2: Convert to fraction form
    230,672.20/318,329.94 = 135,235.40/x
  3. Step 3: Cross multiply
    230,672.20x = 318,329.94 × 135,235.40
  4. Step 4: Simplify right side
    230,672.20x = 43,049,476,767.88
  5. Step 5: Solve for x
    x = 43,049,476,767.88/230,672.20
  6. Step 6: Final answer
    x = 186,626.20

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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.