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Finding the Fourth Proportional to 103,229.54, 154,844.51 and 28,350.66

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Solution

The fourth proportional to 103,229.54, 154,844.51 and 28,350.66 is: 42,526.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,229.54 : 154,844.51 = 28,350.66 : x
  2. Step 2: Convert to fraction form
    103,229.54/154,844.51 = 28,350.66/x
  3. Step 3: Cross multiply
    103,229.54x = 154,844.51 × 28,350.66
  4. Step 4: Simplify right side
    103,229.54x = 4,389,944,055.88
  5. Step 5: Solve for x
    x = 4,389,944,055.88/103,229.54
  6. Step 6: Final answer
    x = 42,526.04

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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.