Home / 214,542.20-321,802.84-79,632.54

Finding the Fourth Proportional to 214,542.20, 321,802.84 and 79,632.54

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Solution

The fourth proportional to 214,542.20, 321,802.84 and 79,632.54 is: 119,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,542.20 : 321,802.84 = 79,632.54 : x
  2. Step 2: Convert to fraction form
    214,542.20/321,802.84 = 79,632.54/x
  3. Step 3: Cross multiply
    214,542.20x = 321,802.84 × 79,632.54
  4. Step 4: Simplify right side
    214,542.20x = 25,625,977,528.41
  5. Step 5: Solve for x
    x = 25,625,977,528.41/214,542.20
  6. Step 6: Final answer
    x = 119,444.93

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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.