Home / 211,945.92-317,660.64-117,172.32

Finding the Fourth Proportional to 211,945.92, 317,660.64 and 117,172.32

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Solution

The fourth proportional to 211,945.92, 317,660.64 and 117,172.32 is: 175,615.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,945.92 : 317,660.64 = 117,172.32 : x
  2. Step 2: Convert to fraction form
    211,945.92/317,660.64 = 117,172.32/x
  3. Step 3: Cross multiply
    211,945.92x = 317,660.64 × 117,172.32
  4. Step 4: Simplify right side
    211,945.92x = 37,221,034,161.48
  5. Step 5: Solve for x
    x = 37,221,034,161.48/211,945.92
  6. Step 6: Final answer
    x = 175,615.71

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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.