Home / 214,776.30-321,859.79-158,172.49

Finding the Fourth Proportional to 214,776.30, 321,859.79 and 158,172.49

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Solution

The fourth proportional to 214,776.30, 321,859.79 and 158,172.49 is: 237,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,776.30 : 321,859.79 = 158,172.49 : x
  2. Step 2: Convert to fraction form
    214,776.30/321,859.79 = 158,172.49/x
  3. Step 3: Cross multiply
    214,776.30x = 321,859.79 × 158,172.49
  4. Step 4: Simplify right side
    214,776.30x = 50,909,364,415.18
  5. Step 5: Solve for x
    x = 50,909,364,415.18/214,776.30
  6. Step 6: Final answer
    x = 237,034.37

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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.