Home / 238,980.89-329,793.54-131,550.38

Finding the Fourth Proportional to 238,980.89, 329,793.54 and 131,550.38

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Solution

The fourth proportional to 238,980.89, 329,793.54 and 131,550.38 is: 181,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,980.89 : 329,793.54 = 131,550.38 : x
  2. Step 2: Convert to fraction form
    238,980.89/329,793.54 = 131,550.38/x
  3. Step 3: Cross multiply
    238,980.89x = 329,793.54 × 131,550.38
  4. Step 4: Simplify right side
    238,980.89x = 43,384,463,859.58
  5. Step 5: Solve for x
    x = 43,384,463,859.58/238,980.89
  6. Step 6: Final answer
    x = 181,539.47

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1.5x scale

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.