Home / 211,806.09-317,813.02-93,336.30

Finding the Fourth Proportional to 211,806.09, 317,813.02 and 93,336.30

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Solution

The fourth proportional to 211,806.09, 317,813.02 and 93,336.30 is: 140,050.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,806.09 : 317,813.02 = 93,336.30 : x
  2. Step 2: Convert to fraction form
    211,806.09/317,813.02 = 93,336.30/x
  3. Step 3: Cross multiply
    211,806.09x = 317,813.02 × 93,336.30
  4. Step 4: Simplify right side
    211,806.09x = 29,663,491,145.29
  5. Step 5: Solve for x
    x = 29,663,491,145.29/211,806.09
  6. Step 6: Final answer
    x = 140,050.23

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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.