Home / 252,794.10-378,759.57-139,037.13

Finding the Fourth Proportional to 252,794.10, 378,759.57 and 139,037.13

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Solution

The fourth proportional to 252,794.10, 378,759.57 and 139,037.13 is: 208,318.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,794.10 : 378,759.57 = 139,037.13 : x
  2. Step 2: Convert to fraction form
    252,794.10/378,759.57 = 139,037.13/x
  3. Step 3: Cross multiply
    252,794.10x = 378,759.57 × 139,037.13
  4. Step 4: Simplify right side
    252,794.10x = 52,661,643,572.83
  5. Step 5: Solve for x
    x = 52,661,643,572.83/252,794.10
  6. Step 6: Final answer
    x = 208,318.33

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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.