Home / 238,682.35-329,390.12-131,260.55

Finding the Fourth Proportional to 238,682.35, 329,390.12 and 131,260.55

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Solution

The fourth proportional to 238,682.35, 329,390.12 and 131,260.55 is: 181,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,682.35 : 329,390.12 = 131,260.55 : x
  2. Step 2: Convert to fraction form
    238,682.35/329,390.12 = 131,260.55/x
  3. Step 3: Cross multiply
    238,682.35x = 329,390.12 × 131,260.55
  4. Step 4: Simplify right side
    238,682.35x = 43,235,928,315.77
  5. Step 5: Solve for x
    x = 43,235,928,315.77/238,682.35
  6. Step 6: Final answer
    x = 181,144.22

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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.