Home / 106,333.44-146,735.60-60,979.92

Finding the Fourth Proportional to 106,333.44, 146,735.60 and 60,979.92

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Solution

The fourth proportional to 106,333.44, 146,735.60 and 60,979.92 is: 84,149.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,333.44 : 146,735.60 = 60,979.92 : x
  2. Step 2: Convert to fraction form
    106,333.44/146,735.60 = 60,979.92/x
  3. Step 3: Cross multiply
    106,333.44x = 146,735.60 × 60,979.92
  4. Step 4: Simplify right side
    106,333.44x = 8,947,925,149.15
  5. Step 5: Solve for x
    x = 8,947,925,149.15/106,333.44
  6. Step 6: Final answer
    x = 84,149.68

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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.