Home / 238,986.87-329,813.73-131,555.76

Finding the Fourth Proportional to 238,986.87, 329,813.73 and 131,555.76

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Solution

The fourth proportional to 238,986.87, 329,813.73 and 131,555.76 is: 181,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,986.87 : 329,813.73 = 131,555.76 : x
  2. Step 2: Convert to fraction form
    238,986.87/329,813.73 = 131,555.76/x
  3. Step 3: Cross multiply
    238,986.87x = 329,813.73 × 131,555.76
  4. Step 4: Simplify right side
    238,986.87x = 43,388,896,404.23
  5. Step 5: Solve for x
    x = 43,388,896,404.23/238,986.87
  6. Step 6: Final answer
    x = 181,553.47

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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.