Home / 150,704.49-207,937.30-90,252.21

Finding the Fourth Proportional to 150,704.49, 207,937.30 and 90,252.21

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Solution

The fourth proportional to 150,704.49, 207,937.30 and 90,252.21 is: 124,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,704.49 : 207,937.30 = 90,252.21 : x
  2. Step 2: Convert to fraction form
    150,704.49/207,937.30 = 90,252.21/x
  3. Step 3: Cross multiply
    150,704.49x = 207,937.30 × 90,252.21
  4. Step 4: Simplify right side
    150,704.49x = 18,766,800,866.43
  5. Step 5: Solve for x
    x = 18,766,800,866.43/150,704.49
  6. Step 6: Final answer
    x = 124,527.15

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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.