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Finding the Fourth Proportional to 107,356.60, 161,034.90 and 94,234.60

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Solution

The fourth proportional to 107,356.60, 161,034.90 and 94,234.60 is: 141,351.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,356.60 : 161,034.90 = 94,234.60 : x
  2. Step 2: Convert to fraction form
    107,356.60/161,034.90 = 94,234.60/x
  3. Step 3: Cross multiply
    107,356.60x = 161,034.90 × 94,234.60
  4. Step 4: Simplify right side
    107,356.60x = 15,175,059,387.54
  5. Step 5: Solve for x
    x = 15,175,059,387.54/107,356.60
  6. Step 6: Final answer
    x = 141,351.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.