Home / 214,832.52-322,248.91-81,682.02

Finding the Fourth Proportional to 214,832.52, 322,248.91 and 81,682.02

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Solution

The fourth proportional to 214,832.52, 322,248.91 and 81,682.02 is: 122,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,832.52 : 322,248.91 = 81,682.02 : x
  2. Step 2: Convert to fraction form
    214,832.52/322,248.91 = 81,682.02/x
  3. Step 3: Cross multiply
    214,832.52x = 322,248.91 × 81,682.02
  4. Step 4: Simplify right side
    214,832.52x = 26,321,941,911.60
  5. Step 5: Solve for x
    x = 26,321,941,911.60/214,832.52
  6. Step 6: Final answer
    x = 122,523.08

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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.