Home / 238,645.40-329,331.89-131,222.35

Finding the Fourth Proportional to 238,645.40, 329,331.89 and 131,222.35

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Solution

The fourth proportional to 238,645.40, 329,331.89 and 131,222.35 is: 181,087.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,645.40 : 329,331.89 = 131,222.35 : x
  2. Step 2: Convert to fraction form
    238,645.40/329,331.89 = 131,222.35/x
  3. Step 3: Cross multiply
    238,645.40x = 329,331.89 × 131,222.35
  4. Step 4: Simplify right side
    238,645.40x = 43,215,704,535.74
  5. Step 5: Solve for x
    x = 43,215,704,535.74/238,645.40
  6. Step 6: Final answer
    x = 181,087.52

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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.