Home / 150,694.02-207,964.26-90,274.50

Finding the Fourth Proportional to 150,694.02, 207,964.26 and 90,274.50

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Solution

The fourth proportional to 150,694.02, 207,964.26 and 90,274.50 is: 124,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,694.02 : 207,964.26 = 90,274.50 : x
  2. Step 2: Convert to fraction form
    150,694.02/207,964.26 = 90,274.50/x
  3. Step 3: Cross multiply
    150,694.02x = 207,964.26 × 90,274.50
  4. Step 4: Simplify right side
    150,694.02x = 18,773,869,589.37
  5. Step 5: Solve for x
    x = 18,773,869,589.37/150,694.02
  6. Step 6: Final answer
    x = 124,582.71

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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.