Home / 239,081.56-329,934.96-131,661.58

Finding the Fourth Proportional to 239,081.56, 329,934.96 and 131,661.58

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Solution

The fourth proportional to 239,081.56, 329,934.96 and 131,661.58 is: 181,694.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,081.56 : 329,934.96 = 131,661.58 : x
  2. Step 2: Convert to fraction form
    239,081.56/329,934.96 = 131,661.58/x
  3. Step 3: Cross multiply
    239,081.56x = 329,934.96 × 131,661.58
  4. Step 4: Simplify right side
    239,081.56x = 43,439,758,130.84
  5. Step 5: Solve for x
    x = 43,439,758,130.84/239,081.56
  6. Step 6: Final answer
    x = 181,694.31

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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.