Home / 150,165.98-207,208.59-89,723.85

Finding the Fourth Proportional to 150,165.98, 207,208.59 and 89,723.85

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Solution

The fourth proportional to 150,165.98, 207,208.59 and 89,723.85 is: 123,806.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165.98 : 207,208.59 = 89,723.85 : x
  2. Step 2: Convert to fraction form
    150,165.98/207,208.59 = 89,723.85/x
  3. Step 3: Cross multiply
    150,165.98x = 207,208.59 × 89,723.85
  4. Step 4: Simplify right side
    150,165.98x = 18,591,552,447.87
  5. Step 5: Solve for x
    x = 18,591,552,447.87/150,165.98
  6. Step 6: Final answer
    x = 123,806.69

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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.