Home / 170,084.22-255,283.97-85,903.50

Finding the Fourth Proportional to 170,084.22, 255,283.97 and 85,903.50

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Solution

The fourth proportional to 170,084.22, 255,283.97 and 85,903.50 is: 128,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,084.22 : 255,283.97 = 85,903.50 : x
  2. Step 2: Convert to fraction form
    170,084.22/255,283.97 = 85,903.50/x
  3. Step 3: Cross multiply
    170,084.22x = 255,283.97 × 85,903.50
  4. Step 4: Simplify right side
    170,084.22x = 21,929,784,890.73
  5. Step 5: Solve for x
    x = 21,929,784,890.73/170,084.22
  6. Step 6: Final answer
    x = 128,934.86

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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.