Home / 196,399.44-294,728.31-107,715.20

Finding the Fourth Proportional to 196,399.44, 294,728.31 and 107,715.20

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Solution

The fourth proportional to 196,399.44, 294,728.31 and 107,715.20 is: 161,643.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,399.44 : 294,728.31 = 107,715.20 : x
  2. Step 2: Convert to fraction form
    196,399.44/294,728.31 = 107,715.20/x
  3. Step 3: Cross multiply
    196,399.44x = 294,728.31 × 107,715.20
  4. Step 4: Simplify right side
    196,399.44x = 31,746,718,857.31
  5. Step 5: Solve for x
    x = 31,746,718,857.31/196,399.44
  6. Step 6: Final answer
    x = 161,643.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.