Home / 238,759.36-329,488.08-131,337.56

Finding the Fourth Proportional to 238,759.36, 329,488.08 and 131,337.56

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Solution

The fourth proportional to 238,759.36, 329,488.08 and 131,337.56 is: 181,245.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,759.36 : 329,488.08 = 131,337.56 : x
  2. Step 2: Convert to fraction form
    238,759.36/329,488.08 = 131,337.56/x
  3. Step 3: Cross multiply
    238,759.36x = 329,488.08 × 131,337.56
  4. Step 4: Simplify right side
    238,759.36x = 43,274,160,476.28
  5. Step 5: Solve for x
    x = 43,274,160,476.28/238,759.36
  6. Step 6: Final answer
    x = 181,245.92

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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.