Home / 204,063.12-306,126.24-104,169.12

Finding the Fourth Proportional to 204,063.12, 306,126.24 and 104,169.12

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Solution

The fourth proportional to 204,063.12, 306,126.24 and 104,169.12 is: 156,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,063.12 : 306,126.24 = 104,169.12 : x
  2. Step 2: Convert to fraction form
    204,063.12/306,126.24 = 104,169.12/x
  3. Step 3: Cross multiply
    204,063.12x = 306,126.24 × 104,169.12
  4. Step 4: Simplify right side
    204,063.12x = 31,888,901,029.71
  5. Step 5: Solve for x
    x = 31,888,901,029.71/204,063.12
  6. Step 6: Final answer
    x = 156,269.79

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1.5x scale

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.