Home / 239,071.69-329,918.94-131,641.46

Finding the Fourth Proportional to 239,071.69, 329,918.94 and 131,641.46

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Solution

The fourth proportional to 239,071.69, 329,918.94 and 131,641.46 is: 181,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,071.69 : 329,918.94 = 131,641.46 : x
  2. Step 2: Convert to fraction form
    239,071.69/329,918.94 = 131,641.46/x
  3. Step 3: Cross multiply
    239,071.69x = 329,918.94 × 131,641.46
  4. Step 4: Simplify right side
    239,071.69x = 43,431,009,293.66
  5. Step 5: Solve for x
    x = 43,431,009,293.66/239,071.69
  6. Step 6: Final answer
    x = 181,665.21

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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.