Home / 150,454.11-207,629.01-90,027.30

Finding the Fourth Proportional to 150,454.11, 207,629.01 and 90,027.30

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Solution

The fourth proportional to 150,454.11, 207,629.01 and 90,027.30 is: 124,239.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,454.11 : 207,629.01 = 90,027.30 : x
  2. Step 2: Convert to fraction form
    150,454.11/207,629.01 = 90,027.30/x
  3. Step 3: Cross multiply
    150,454.11x = 207,629.01 × 90,027.30
  4. Step 4: Simplify right side
    150,454.11x = 18,692,279,171.97
  5. Step 5: Solve for x
    x = 18,692,279,171.97/150,454.11
  6. Step 6: Final answer
    x = 124,239.07

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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.