Home / 126,119.63-173,946.62-80,801.82

Finding the Fourth Proportional to 126,119.63, 173,946.62 and 80,801.82

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Solution

The fourth proportional to 126,119.63, 173,946.62 and 80,801.82 is: 111,443.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,119.63 : 173,946.62 = 80,801.82 : x
  2. Step 2: Convert to fraction form
    126,119.63/173,946.62 = 80,801.82/x
  3. Step 3: Cross multiply
    126,119.63x = 173,946.62 × 80,801.82
  4. Step 4: Simplify right side
    126,119.63x = 14,055,203,680.85
  5. Step 5: Solve for x
    x = 14,055,203,680.85/126,119.63
  6. Step 6: Final answer
    x = 111,443.42

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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.