Home / 211,511.91-317,371.14-93,168.48

Finding the Fourth Proportional to 211,511.91, 317,371.14 and 93,168.48

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Solution

The fourth proportional to 211,511.91, 317,371.14 and 93,168.48 is: 139,798.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,511.91 : 317,371.14 = 93,168.48 : x
  2. Step 2: Convert to fraction form
    211,511.91/317,371.14 = 93,168.48/x
  3. Step 3: Cross multiply
    211,511.91x = 317,371.14 × 93,168.48
  4. Step 4: Simplify right side
    211,511.91x = 29,568,986,709.67
  5. Step 5: Solve for x
    x = 29,568,986,709.67/211,511.91
  6. Step 6: Final answer
    x = 139,798.21

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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.