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Finding the Fourth Proportional to 117,569.20, 176,131.48 and 91,144.56

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Solution

The fourth proportional to 117,569.20, 176,131.48 and 91,144.56 is: 136,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,569.20 : 176,131.48 = 91,144.56 : x
  2. Step 2: Convert to fraction form
    117,569.20/176,131.48 = 91,144.56/x
  3. Step 3: Cross multiply
    117,569.20x = 176,131.48 × 91,144.56
  4. Step 4: Simplify right side
    117,569.20x = 16,053,426,246.75
  5. Step 5: Solve for x
    x = 16,053,426,246.75/117,569.20
  6. Step 6: Final answer
    x = 136,544.49

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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.