Home / 238,556.34-329,207.85-131,125.50

Finding the Fourth Proportional to 238,556.34, 329,207.85 and 131,125.50

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Solution

The fourth proportional to 238,556.34, 329,207.85 and 131,125.50 is: 180,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,556.34 : 329,207.85 = 131,125.50 : x
  2. Step 2: Convert to fraction form
    238,556.34/329,207.85 = 131,125.50/x
  3. Step 3: Cross multiply
    238,556.34x = 329,207.85 × 131,125.50
  4. Step 4: Simplify right side
    238,556.34x = 43,167,543,935.18
  5. Step 5: Solve for x
    x = 43,167,543,935.18/238,556.34
  6. Step 6: Final answer
    x = 180,953.25

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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.