Home / 104,468.22-144,163.97-56,721.61

Finding the Fourth Proportional to 104,468.22, 144,163.97 and 56,721.61

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Solution

The fourth proportional to 104,468.22, 144,163.97 and 56,721.61 is: 78,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,468.22 : 144,163.97 = 56,721.61 : x
  2. Step 2: Convert to fraction form
    104,468.22/144,163.97 = 56,721.61/x
  3. Step 3: Cross multiply
    104,468.22x = 144,163.97 × 56,721.61
  4. Step 4: Simplify right side
    104,468.22x = 8,177,212,263.79
  5. Step 5: Solve for x
    x = 8,177,212,263.79/104,468.22
  6. Step 6: Final answer
    x = 78,274.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.