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Finding the Fourth Proportional to 115,418.60, 173,103.60 and 48,860.90

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Solution

The fourth proportional to 115,418.60, 173,103.60 and 48,860.90 is: 73,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.60 : 173,103.60 = 48,860.90 : x
  2. Step 2: Convert to fraction form
    115,418.60/173,103.60 = 48,860.90/x
  3. Step 3: Cross multiply
    115,418.60x = 173,103.60 × 48,860.90
  4. Step 4: Simplify right side
    115,418.60x = 8,457,997,689.24
  5. Step 5: Solve for x
    x = 8,457,997,689.24/115,418.60
  6. Step 6: Final answer
    x = 73,281.06

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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.