Home / 106,412.20-159,399.60-73,169.80

Finding the Fourth Proportional to 106,412.20, 159,399.60 and 73,169.80

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Solution

The fourth proportional to 106,412.20, 159,399.60 and 73,169.80 is: 109,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.20 : 159,399.60 = 73,169.80 : x
  2. Step 2: Convert to fraction form
    106,412.20/159,399.60 = 73,169.80/x
  3. Step 3: Cross multiply
    106,412.20x = 159,399.60 × 73,169.80
  4. Step 4: Simplify right side
    106,412.20x = 11,663,236,852.08
  5. Step 5: Solve for x
    x = 11,663,236,852.08/106,412.20
  6. Step 6: Final answer
    x = 109,604.32

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1.5x scale

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.