Home / 272,612.35-408,889.36-95,122.72

Finding the Fourth Proportional to 272,612.35, 408,889.36 and 95,122.72

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Solution

The fourth proportional to 272,612.35, 408,889.36 and 95,122.72 is: 142,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,612.35 : 408,889.36 = 95,122.72 : x
  2. Step 2: Convert to fraction form
    272,612.35/408,889.36 = 95,122.72/x
  3. Step 3: Cross multiply
    272,612.35x = 408,889.36 × 95,122.72
  4. Step 4: Simplify right side
    272,612.35x = 38,894,668,102.26
  5. Step 5: Solve for x
    x = 38,894,668,102.26/272,612.35
  6. Step 6: Final answer
    x = 142,673.90

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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.