Home / 150,147.95-207,183.77-89,705.80

Finding the Fourth Proportional to 150,147.95, 207,183.77 and 89,705.80

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Solution

The fourth proportional to 150,147.95, 207,183.77 and 89,705.80 is: 123,781.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,147.95 : 207,183.77 = 89,705.80 : x
  2. Step 2: Convert to fraction form
    150,147.95/207,183.77 = 89,705.80/x
  3. Step 3: Cross multiply
    150,147.95x = 207,183.77 × 89,705.80
  4. Step 4: Simplify right side
    150,147.95x = 18,585,587,069.01
  5. Step 5: Solve for x
    x = 18,585,587,069.01/150,147.95
  6. Step 6: Final answer
    x = 123,781.82

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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.