Home / 239,071.32-329,918.42-131,641.08

Finding the Fourth Proportional to 239,071.32, 329,918.42 and 131,641.08

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Solution

The fourth proportional to 239,071.32, 329,918.42 and 131,641.08 is: 181,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,071.32 : 329,918.42 = 131,641.08 : x
  2. Step 2: Convert to fraction form
    239,071.32/329,918.42 = 131,641.08/x
  3. Step 3: Cross multiply
    239,071.32x = 329,918.42 × 131,641.08
  4. Step 4: Simplify right side
    239,071.32x = 43,430,816,462.49
  5. Step 5: Solve for x
    x = 43,430,816,462.49/239,071.32
  6. Step 6: Final answer
    x = 181,664.69

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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.