Home / 212,144.49-292,769.91-131,597.96

Finding the Fourth Proportional to 212,144.49, 292,769.91 and 131,597.96

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Solution

The fourth proportional to 212,144.49, 292,769.91 and 131,597.96 is: 181,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,144.49 : 292,769.91 = 131,597.96 : x
  2. Step 2: Convert to fraction form
    212,144.49/292,769.91 = 131,597.96/x
  3. Step 3: Cross multiply
    212,144.49x = 292,769.91 × 131,597.96
  4. Step 4: Simplify right side
    212,144.49x = 38,527,922,905.38
  5. Step 5: Solve for x
    x = 38,527,922,905.38/212,144.49
  6. Step 6: Final answer
    x = 181,611.71

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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.