Home / 272,122.49-408,026-92,147.84

Finding the Fourth Proportional to 272,122.49, 408,026 and 92,147.84

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Solution

The fourth proportional to 272,122.49, 408,026 and 92,147.84 is: 138,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,122.49 : 408,026 = 92,147.84 : x
  2. Step 2: Convert to fraction form
    272,122.49/408,026 = 92,147.84/x
  3. Step 3: Cross multiply
    272,122.49x = 408,026 × 92,147.84
  4. Step 4: Simplify right side
    272,122.49x = 37,598,714,563.84
  5. Step 5: Solve for x
    x = 37,598,714,563.84/272,122.49
  6. Step 6: Final answer
    x = 138,168.35

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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.