Home / 214,832.33-322,248.63-81,681.83

Finding the Fourth Proportional to 214,832.33, 322,248.63 and 81,681.83

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Solution

The fourth proportional to 214,832.33, 322,248.63 and 81,681.83 is: 122,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,832.33 : 322,248.63 = 81,681.83 : x
  2. Step 2: Convert to fraction form
    214,832.33/322,248.63 = 81,681.83/x
  3. Step 3: Cross multiply
    214,832.33x = 322,248.63 × 81,681.83
  4. Step 4: Simplify right side
    214,832.33x = 26,321,857,813.39
  5. Step 5: Solve for x
    x = 26,321,857,813.39/214,832.33
  6. Step 6: Final answer
    x = 122,522.80

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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.