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Finding the Fourth Proportional to 117,096.60, 175,645.35 and 28,349.97

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Solution

The fourth proportional to 117,096.60, 175,645.35 and 28,349.97 is: 42,525.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096.60 : 175,645.35 = 28,349.97 : x
  2. Step 2: Convert to fraction form
    117,096.60/175,645.35 = 28,349.97/x
  3. Step 3: Cross multiply
    117,096.60x = 175,645.35 × 28,349.97
  4. Step 4: Simplify right side
    117,096.60x = 4,979,540,403.14
  5. Step 5: Solve for x
    x = 4,979,540,403.14/117,096.60
  6. Step 6: Final answer
    x = 42,525.06

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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.