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Finding the Fourth Proportional to 181,103.90, 271,461.45 and 68,740.70

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Solution

The fourth proportional to 181,103.90, 271,461.45 and 68,740.70 is: 103,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,103.90 : 271,461.45 = 68,740.70 : x
  2. Step 2: Convert to fraction form
    181,103.90/271,461.45 = 68,740.70/x
  3. Step 3: Cross multiply
    181,103.90x = 271,461.45 × 68,740.70
  4. Step 4: Simplify right side
    181,103.90x = 18,660,450,096.02
  5. Step 5: Solve for x
    x = 18,660,450,096.02/181,103.90
  6. Step 6: Final answer
    x = 103,037.26

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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.