Home / 211,869.20-317,544.60-93,414.80

Finding the Fourth Proportional to 211,869.20, 317,544.60 and 93,414.80

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Solution

The fourth proportional to 211,869.20, 317,544.60 and 93,414.80 is: 140,007.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,869.20 : 317,544.60 = 93,414.80 : x
  2. Step 2: Convert to fraction form
    211,869.20/317,544.60 = 93,414.80/x
  3. Step 3: Cross multiply
    211,869.20x = 317,544.60 × 93,414.80
  4. Step 4: Simplify right side
    211,869.20x = 29,663,365,300.08
  5. Step 5: Solve for x
    x = 29,663,365,300.08/211,869.20
  6. Step 6: Final answer
    x = 140,007.92

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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.