Home / 106,112.22-146,431.78-58,365.56

Finding the Fourth Proportional to 106,112.22, 146,431.78 and 58,365.56

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Solution

The fourth proportional to 106,112.22, 146,431.78 and 58,365.56 is: 80,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,112.22 : 146,431.78 = 58,365.56 : x
  2. Step 2: Convert to fraction form
    106,112.22/146,431.78 = 58,365.56/x
  3. Step 3: Cross multiply
    106,112.22x = 146,431.78 × 58,365.56
  4. Step 4: Simplify right side
    106,112.22x = 8,546,572,841.50
  5. Step 5: Solve for x
    x = 8,546,572,841.50/106,112.22
  6. Step 6: Final answer
    x = 80,542.78

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1.5x scale

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.