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Finding the Fourth Proportional to 115,204.50, 172,670.98 and 51,950.56

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Solution

The fourth proportional to 115,204.50, 172,670.98 and 51,950.56 is: 77,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.50 : 172,670.98 = 51,950.56 : x
  2. Step 2: Convert to fraction form
    115,204.50/172,670.98 = 51,950.56/x
  3. Step 3: Cross multiply
    115,204.50x = 172,670.98 × 51,950.56
  4. Step 4: Simplify right side
    115,204.50x = 8,970,354,106.75
  5. Step 5: Solve for x
    x = 8,970,354,106.75/115,204.50
  6. Step 6: Final answer
    x = 77,864.62

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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.