Home / 205,285.58-307,884.36-119,839.52

Finding the Fourth Proportional to 205,285.58, 307,884.36 and 119,839.52

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Solution

The fourth proportional to 205,285.58, 307,884.36 and 119,839.52 is: 179,733.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,285.58 : 307,884.36 = 119,839.52 : x
  2. Step 2: Convert to fraction form
    205,285.58/307,884.36 = 119,839.52/x
  3. Step 3: Cross multiply
    205,285.58x = 307,884.36 × 119,839.52
  4. Step 4: Simplify right side
    205,285.58x = 36,896,713,917.91
  5. Step 5: Solve for x
    x = 36,896,713,917.91/205,285.58
  6. Step 6: Final answer
    x = 179,733.59

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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.