Home / 100,952.12-151,285.24-55,993.20

Finding the Fourth Proportional to 100,952.12, 151,285.24 and 55,993.20

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Solution

The fourth proportional to 100,952.12, 151,285.24 and 55,993.20 is: 83,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,952.12 : 151,285.24 = 55,993.20 : x
  2. Step 2: Convert to fraction form
    100,952.12/151,285.24 = 55,993.20/x
  3. Step 3: Cross multiply
    100,952.12x = 151,285.24 × 55,993.20
  4. Step 4: Simplify right side
    100,952.12x = 8,470,944,786.01
  5. Step 5: Solve for x
    x = 8,470,944,786.01/100,952.12
  6. Step 6: Final answer
    x = 83,910.52

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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.