Home / 126,345.78-174,354.46-68,982.89

Finding the Fourth Proportional to 126,345.78, 174,354.46 and 68,982.89

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Solution

The fourth proportional to 126,345.78, 174,354.46 and 68,982.89 is: 95,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.78 : 174,354.46 = 68,982.89 : x
  2. Step 2: Convert to fraction form
    126,345.78/174,354.46 = 68,982.89/x
  3. Step 3: Cross multiply
    126,345.78x = 174,354.46 × 68,982.89
  4. Step 4: Simplify right side
    126,345.78x = 12,027,473,490.96
  5. Step 5: Solve for x
    x = 12,027,473,490.96/126,345.78
  6. Step 6: Final answer
    x = 95,194.90

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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.