Home / 214,332.72-321,144.84-74,013.36

Finding the Fourth Proportional to 214,332.72, 321,144.84 and 74,013.36

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Solution

The fourth proportional to 214,332.72, 321,144.84 and 74,013.36 is: 110,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,332.72 : 321,144.84 = 74,013.36 : x
  2. Step 2: Convert to fraction form
    214,332.72/321,144.84 = 74,013.36/x
  3. Step 3: Cross multiply
    214,332.72x = 321,144.84 × 74,013.36
  4. Step 4: Simplify right side
    214,332.72x = 23,769,008,655.06
  5. Step 5: Solve for x
    x = 23,769,008,655.06/214,332.72
  6. Step 6: Final answer
    x = 110,897.71

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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.