Home / 214,492.32-320,771.88-163,906.20

Finding the Fourth Proportional to 214,492.32, 320,771.88 and 163,906.20

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Solution

The fourth proportional to 214,492.32, 320,771.88 and 163,906.20 is: 245,120.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,492.32 : 320,771.88 = 163,906.20 : x
  2. Step 2: Convert to fraction form
    214,492.32/320,771.88 = 163,906.20/x
  3. Step 3: Cross multiply
    214,492.32x = 320,771.88 × 163,906.20
  4. Step 4: Simplify right side
    214,492.32x = 52,576,499,917.66
  5. Step 5: Solve for x
    x = 52,576,499,917.66/214,492.32
  6. Step 6: Final answer
    x = 245,120.66

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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.