Home / 126,941.78-175,181.80-69,579.96

Finding the Fourth Proportional to 126,941.78, 175,181.80 and 69,579.96

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Solution

The fourth proportional to 126,941.78, 175,181.80 and 69,579.96 is: 96,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,941.78 : 175,181.80 = 69,579.96 : x
  2. Step 2: Convert to fraction form
    126,941.78/175,181.80 = 69,579.96/x
  3. Step 3: Cross multiply
    126,941.78x = 175,181.80 × 69,579.96
  4. Step 4: Simplify right side
    126,941.78x = 12,189,142,636.73
  5. Step 5: Solve for x
    x = 12,189,142,636.73/126,941.78
  6. Step 6: Final answer
    x = 96,021.52

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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.