Home / 272,011.45-408,081.98-131,654.65

Finding the Fourth Proportional to 272,011.45, 408,081.98 and 131,654.65

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Solution

The fourth proportional to 272,011.45, 408,081.98 and 131,654.65 is: 197,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,011.45 : 408,081.98 = 131,654.65 : x
  2. Step 2: Convert to fraction form
    272,011.45/408,081.98 = 131,654.65/x
  3. Step 3: Cross multiply
    272,011.45x = 408,081.98 × 131,654.65
  4. Step 4: Simplify right side
    272,011.45x = 53,725,889,589.93
  5. Step 5: Solve for x
    x = 53,725,889,589.93/272,011.45
  6. Step 6: Final answer
    x = 197,513.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.