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Finding the Fourth Proportional to 115,635.60, 173,338.20 and 53,197.20

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Solution

The fourth proportional to 115,635.60, 173,338.20 and 53,197.20 is: 79,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,635.60 : 173,338.20 = 53,197.20 : x
  2. Step 2: Convert to fraction form
    115,635.60/173,338.20 = 53,197.20/x
  3. Step 3: Cross multiply
    115,635.60x = 173,338.20 × 53,197.20
  4. Step 4: Simplify right side
    115,635.60x = 9,221,106,893.04
  5. Step 5: Solve for x
    x = 9,221,106,893.04/115,635.60
  6. Step 6: Final answer
    x = 79,742.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.