Home / 238,573.08-329,234.94-131,147.64

Finding the Fourth Proportional to 238,573.08, 329,234.94 and 131,147.64

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Solution

The fourth proportional to 238,573.08, 329,234.94 and 131,147.64 is: 180,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,573.08 : 329,234.94 = 131,147.64 : x
  2. Step 2: Convert to fraction form
    238,573.08/329,234.94 = 131,147.64/x
  3. Step 3: Cross multiply
    238,573.08x = 329,234.94 × 131,147.64
  4. Step 4: Simplify right side
    238,573.08x = 43,178,385,386.54
  5. Step 5: Solve for x
    x = 43,178,385,386.54/238,573.08
  6. Step 6: Final answer
    x = 180,985.99

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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.