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Finding the Fourth Proportional to 162,375.84, 224,064 and 90,745.92

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Solution

The fourth proportional to 162,375.84, 224,064 and 90,745.92 is: 125,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,375.84 : 224,064 = 90,745.92 : x
  2. Step 2: Convert to fraction form
    162,375.84/224,064 = 90,745.92/x
  3. Step 3: Cross multiply
    162,375.84x = 224,064 × 90,745.92
  4. Step 4: Simplify right side
    162,375.84x = 20,332,893,818.88
  5. Step 5: Solve for x
    x = 20,332,893,818.88/162,375.84
  6. Step 6: Final answer
    x = 125,221.18

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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.