Home / 196,317.27-270,931.23-109,112.81

Finding the Fourth Proportional to 196,317.27, 270,931.23 and 109,112.81

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Solution

The fourth proportional to 196,317.27, 270,931.23 and 109,112.81 is: 150,583.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,317.27 : 270,931.23 = 109,112.81 : x
  2. Step 2: Convert to fraction form
    196,317.27/270,931.23 = 109,112.81/x
  3. Step 3: Cross multiply
    196,317.27x = 270,931.23 × 109,112.81
  4. Step 4: Simplify right side
    196,317.27x = 29,562,066,467.40
  5. Step 5: Solve for x
    x = 29,562,066,467.40/196,317.27
  6. Step 6: Final answer
    x = 150,583.12

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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.