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Finding the Fourth Proportional to 116,157.60, 173,847.60 and 81,165.60

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Solution

The fourth proportional to 116,157.60, 173,847.60 and 81,165.60 is: 121,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,157.60 : 173,847.60 = 81,165.60 : x
  2. Step 2: Convert to fraction form
    116,157.60/173,847.60 = 81,165.60/x
  3. Step 3: Cross multiply
    116,157.60x = 173,847.60 × 81,165.60
  4. Step 4: Simplify right side
    116,157.60x = 14,110,444,762.56
  5. Step 5: Solve for x
    x = 14,110,444,762.56/116,157.60
  6. Step 6: Final answer
    x = 121,476.72

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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.