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Finding the Fourth Proportional to 181,127.36, 271,664.64 and 48,015.68

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Solution

The fourth proportional to 181,127.36, 271,664.64 and 48,015.68 is: 72,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,127.36 : 271,664.64 = 48,015.68 : x
  2. Step 2: Convert to fraction form
    181,127.36/271,664.64 = 48,015.68/x
  3. Step 3: Cross multiply
    181,127.36x = 271,664.64 × 48,015.68
  4. Step 4: Simplify right side
    181,127.36x = 13,044,162,421.56
  5. Step 5: Solve for x
    x = 13,044,162,421.56/181,127.36
  6. Step 6: Final answer
    x = 72,016.52

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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.