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Finding the Fourth Proportional to 181,678.46, 250,712.76 and 101,105.87

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Solution

The fourth proportional to 181,678.46, 250,712.76 and 101,105.87 is: 139,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,678.46 : 250,712.76 = 101,105.87 : x
  2. Step 2: Convert to fraction form
    181,678.46/250,712.76 = 101,105.87/x
  3. Step 3: Cross multiply
    181,678.46x = 250,712.76 × 101,105.87
  4. Step 4: Simplify right side
    181,678.46x = 25,348,530,466.34
  5. Step 5: Solve for x
    x = 25,348,530,466.34/181,678.46
  6. Step 6: Final answer
    x = 139,524.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.