Home / 239,123.92-329,979.48-131,698.48

Finding the Fourth Proportional to 239,123.92, 329,979.48 and 131,698.48

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Solution

The fourth proportional to 239,123.92, 329,979.48 and 131,698.48 is: 181,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,123.92 : 329,979.48 = 131,698.48 : x
  2. Step 2: Convert to fraction form
    239,123.92/329,979.48 = 131,698.48/x
  3. Step 3: Cross multiply
    239,123.92x = 329,979.48 × 131,698.48
  4. Step 4: Simplify right side
    239,123.92x = 43,457,795,947.19
  5. Step 5: Solve for x
    x = 43,457,795,947.19/239,123.92
  6. Step 6: Final answer
    x = 181,737.55

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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.