Home / 239,083.09-329,934.13-130,185.73

Finding the Fourth Proportional to 239,083.09, 329,934.13 and 130,185.73

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Solution

The fourth proportional to 239,083.09, 329,934.13 and 130,185.73 is: 179,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,083.09 : 329,934.13 = 130,185.73 : x
  2. Step 2: Convert to fraction form
    239,083.09/329,934.13 = 130,185.73/x
  3. Step 3: Cross multiply
    239,083.09x = 329,934.13 × 130,185.73
  4. Step 4: Simplify right side
    239,083.09x = 42,952,716,339.44
  5. Step 5: Solve for x
    x = 42,952,716,339.44/239,083.09
  6. Step 6: Final answer
    x = 179,656.02

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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.