Home / 238,760.10-329,482.06-131,330.14

Finding the Fourth Proportional to 238,760.10, 329,482.06 and 131,330.14

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Solution

The fourth proportional to 238,760.10, 329,482.06 and 131,330.14 is: 181,231.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,760.10 : 329,482.06 = 131,330.14 : x
  2. Step 2: Convert to fraction form
    238,760.10/329,482.06 = 131,330.14/x
  3. Step 3: Cross multiply
    238,760.10x = 329,482.06 × 131,330.14
  4. Step 4: Simplify right side
    238,760.10x = 43,270,925,067.29
  5. Step 5: Solve for x
    x = 43,270,925,067.29/238,760.10
  6. Step 6: Final answer
    x = 181,231.81

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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.