Home / 238,948.75-329,749.38-131,518.02

Finding the Fourth Proportional to 238,948.75, 329,749.38 and 131,518.02

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Solution

The fourth proportional to 238,948.75, 329,749.38 and 131,518.02 is: 181,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,948.75 : 329,749.38 = 131,518.02 : x
  2. Step 2: Convert to fraction form
    238,948.75/329,749.38 = 131,518.02/x
  3. Step 3: Cross multiply
    238,948.75x = 329,749.38 × 131,518.02
  4. Step 4: Simplify right side
    238,948.75x = 43,367,985,553.83
  5. Step 5: Solve for x
    x = 43,367,985,553.83/238,948.75
  6. Step 6: Final answer
    x = 181,494.93

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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.