Home / 150,205.20-207,268.86-89,763.84

Finding the Fourth Proportional to 150,205.20, 207,268.86 and 89,763.84

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Solution

The fourth proportional to 150,205.20, 207,268.86 and 89,763.84 is: 123,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,205.20 : 207,268.86 = 89,763.84 : x
  2. Step 2: Convert to fraction form
    150,205.20/207,268.86 = 89,763.84/x
  3. Step 3: Cross multiply
    150,205.20x = 207,268.86 × 89,763.84
  4. Step 4: Simplify right side
    150,205.20x = 18,605,248,786.02
  5. Step 5: Solve for x
    x = 18,605,248,786.02/150,205.20
  6. Step 6: Final answer
    x = 123,865.54

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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.