Home / 165,737.46-228,719.21-100,327.80

Finding the Fourth Proportional to 165,737.46, 228,719.21 and 100,327.80

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Solution

The fourth proportional to 165,737.46, 228,719.21 and 100,327.80 is: 138,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,737.46 : 228,719.21 = 100,327.80 : x
  2. Step 2: Convert to fraction form
    165,737.46/228,719.21 = 100,327.80/x
  3. Step 3: Cross multiply
    165,737.46x = 228,719.21 × 100,327.80
  4. Step 4: Simplify right side
    165,737.46x = 22,946,895,157.04
  5. Step 5: Solve for x
    x = 22,946,895,157.04/165,737.46
  6. Step 6: Final answer
    x = 138,453.28

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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.