Home / 238,763.05-329,486.06-131,333.05

Finding the Fourth Proportional to 238,763.05, 329,486.06 and 131,333.05

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Solution

The fourth proportional to 238,763.05, 329,486.06 and 131,333.05 is: 181,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,763.05 : 329,486.06 = 131,333.05 : x
  2. Step 2: Convert to fraction form
    238,763.05/329,486.06 = 131,333.05/x
  3. Step 3: Cross multiply
    238,763.05x = 329,486.06 × 131,333.05
  4. Step 4: Simplify right side
    238,763.05x = 43,272,409,932.47
  5. Step 5: Solve for x
    x = 43,272,409,932.47/238,763.05
  6. Step 6: Final answer
    x = 181,235.79

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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.