Home / 181,289.76-271,893.61-68,929.91

Finding the Fourth Proportional to 181,289.76, 271,893.61 and 68,929.91

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Solution

The fourth proportional to 181,289.76, 271,893.61 and 68,929.91 is: 103,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,289.76 : 271,893.61 = 68,929.91 : x
  2. Step 2: Convert to fraction form
    181,289.76/271,893.61 = 68,929.91/x
  3. Step 3: Cross multiply
    181,289.76x = 271,893.61 × 68,929.91
  4. Step 4: Simplify right side
    181,289.76x = 18,741,602,066.88
  5. Step 5: Solve for x
    x = 18,741,602,066.88/181,289.76
  6. Step 6: Final answer
    x = 103,379.26

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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.