Home / 238,885.70-329,655.26-131,455.66

Finding the Fourth Proportional to 238,885.70, 329,655.26 and 131,455.66

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Solution

The fourth proportional to 238,885.70, 329,655.26 and 131,455.66 is: 181,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,885.70 : 329,655.26 = 131,455.66 : x
  2. Step 2: Convert to fraction form
    238,885.70/329,655.26 = 131,455.66/x
  3. Step 3: Cross multiply
    238,885.70x = 329,655.26 × 131,455.66
  4. Step 4: Simplify right side
    238,885.70x = 43,335,049,775.77
  5. Step 5: Solve for x
    x = 43,335,049,775.77/238,885.70
  6. Step 6: Final answer
    x = 181,404.96

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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.