Home / 126,252.60-174,228.49-80,930.55

Finding the Fourth Proportional to 126,252.60, 174,228.49 and 80,930.55

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Solution

The fourth proportional to 126,252.60, 174,228.49 and 80,930.55 is: 111,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,252.60 : 174,228.49 = 80,930.55 : x
  2. Step 2: Convert to fraction form
    126,252.60/174,228.49 = 80,930.55/x
  3. Step 3: Cross multiply
    126,252.60x = 174,228.49 × 80,930.55
  4. Step 4: Simplify right side
    126,252.60x = 14,100,407,521.37
  5. Step 5: Solve for x
    x = 14,100,407,521.37/126,252.60
  6. Step 6: Final answer
    x = 111,684.10

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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.