Home / 238,948.85-329,749.50-131,518.11

Finding the Fourth Proportional to 238,948.85, 329,749.50 and 131,518.11

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Solution

The fourth proportional to 238,948.85, 329,749.50 and 131,518.11 is: 181,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,948.85 : 329,749.50 = 131,518.11 : x
  2. Step 2: Convert to fraction form
    238,948.85/329,749.50 = 131,518.11/x
  3. Step 3: Cross multiply
    238,948.85x = 329,749.50 × 131,518.11
  4. Step 4: Simplify right side
    238,948.85x = 43,368,032,003.41
  5. Step 5: Solve for x
    x = 43,368,032,003.41/238,948.85
  6. Step 6: Final answer
    x = 181,495.04

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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.