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Finding the Fourth Proportional to 161,440.72, 241,662.62 and 105,159.62

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Solution

The fourth proportional to 161,440.72, 241,662.62 and 105,159.62 is: 157,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,440.72 : 241,662.62 = 105,159.62 : x
  2. Step 2: Convert to fraction form
    161,440.72/241,662.62 = 105,159.62/x
  3. Step 3: Cross multiply
    161,440.72x = 241,662.62 × 105,159.62
  4. Step 4: Simplify right side
    161,440.72x = 25,413,150,154.46
  5. Step 5: Solve for x
    x = 25,413,150,154.46/161,440.72
  6. Step 6: Final answer
    x = 157,414.75

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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.