Home / 238,670.79-329,354.41-131,245.35

Finding the Fourth Proportional to 238,670.79, 329,354.41 and 131,245.35

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Solution

The fourth proportional to 238,670.79, 329,354.41 and 131,245.35 is: 181,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,670.79 : 329,354.41 = 131,245.35 : x
  2. Step 2: Convert to fraction form
    238,670.79/329,354.41 = 131,245.35/x
  3. Step 3: Cross multiply
    238,670.79x = 329,354.41 × 131,245.35
  4. Step 4: Simplify right side
    238,670.79x = 43,226,234,814.49
  5. Step 5: Solve for x
    x = 43,226,234,814.49/238,670.79
  6. Step 6: Final answer
    x = 181,112.38

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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.