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Finding the Fourth Proportional to 115,874.90, 173,812.35 and 113,906.60

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Solution

The fourth proportional to 115,874.90, 173,812.35 and 113,906.60 is: 170,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,874.90 : 173,812.35 = 113,906.60 : x
  2. Step 2: Convert to fraction form
    115,874.90/173,812.35 = 113,906.60/x
  3. Step 3: Cross multiply
    115,874.90x = 173,812.35 × 113,906.60
  4. Step 4: Simplify right side
    115,874.90x = 19,798,373,826.51
  5. Step 5: Solve for x
    x = 19,798,373,826.51/115,874.90
  6. Step 6: Final answer
    x = 170,859.90

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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.