Home / 272,611.35-408,887.87-95,121.72

Finding the Fourth Proportional to 272,611.35, 408,887.87 and 95,121.72

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Solution

The fourth proportional to 272,611.35, 408,887.87 and 95,121.72 is: 142,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,611.35 : 408,887.87 = 95,121.72 : x
  2. Step 2: Convert to fraction form
    272,611.35/408,887.87 = 95,121.72/x
  3. Step 3: Cross multiply
    272,611.35x = 408,887.87 × 95,121.72
  4. Step 4: Simplify right side
    272,611.35x = 38,894,117,005.93
  5. Step 5: Solve for x
    x = 38,894,117,005.93/272,611.35
  6. Step 6: Final answer
    x = 142,672.41

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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.