Home / 245,196.82-367,785.24-85,309.35

Finding the Fourth Proportional to 245,196.82, 367,785.24 and 85,309.35

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Solution

The fourth proportional to 245,196.82, 367,785.24 and 85,309.35 is: 127,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,196.82 : 367,785.24 = 85,309.35 : x
  2. Step 2: Convert to fraction form
    245,196.82/367,785.24 = 85,309.35/x
  3. Step 3: Cross multiply
    245,196.82x = 367,785.24 × 85,309.35
  4. Step 4: Simplify right side
    245,196.82x = 31,375,519,763.99
  5. Step 5: Solve for x
    x = 31,375,519,763.99/245,196.82
  6. Step 6: Final answer
    x = 127,960.55

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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.