Home / 214,829.30-321,753.09-102,588.14

Finding the Fourth Proportional to 214,829.30, 321,753.09 and 102,588.14

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Solution

The fourth proportional to 214,829.30, 321,753.09 and 102,588.14 is: 153,647.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,829.30 : 321,753.09 = 102,588.14 : x
  2. Step 2: Convert to fraction form
    214,829.30/321,753.09 = 102,588.14/x
  3. Step 3: Cross multiply
    214,829.30x = 321,753.09 × 102,588.14
  4. Step 4: Simplify right side
    214,829.30x = 33,008,051,042.35
  5. Step 5: Solve for x
    x = 33,008,051,042.35/214,829.30
  6. Step 6: Final answer
    x = 153,647.81

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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.