Home / 90,940.26-125,555.04-67,025.28

Finding the Fourth Proportional to 90,940.26, 125,555.04 and 67,025.28

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Solution

The fourth proportional to 90,940.26, 125,555.04 and 67,025.28 is: 92,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,940.26 : 125,555.04 = 67,025.28 : x
  2. Step 2: Convert to fraction form
    90,940.26/125,555.04 = 67,025.28/x
  3. Step 3: Cross multiply
    90,940.26x = 125,555.04 × 67,025.28
  4. Step 4: Simplify right side
    90,940.26x = 8,415,361,711.41
  5. Step 5: Solve for x
    x = 8,415,361,711.41/90,940.26
  6. Step 6: Final answer
    x = 92,537.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.