Home / 239,111.58-329,960.76-131,660.64

Finding the Fourth Proportional to 239,111.58, 329,960.76 and 131,660.64

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Solution

The fourth proportional to 239,111.58, 329,960.76 and 131,660.64 is: 181,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,111.58 : 329,960.76 = 131,660.64 : x
  2. Step 2: Convert to fraction form
    239,111.58/329,960.76 = 131,660.64/x
  3. Step 3: Cross multiply
    239,111.58x = 329,960.76 × 131,660.64
  4. Step 4: Simplify right side
    239,111.58x = 43,442,844,836.49
  5. Step 5: Solve for x
    x = 43,442,844,836.49/239,111.58
  6. Step 6: Final answer
    x = 181,684.40

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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.