Home / 126,760.89-175,048.58-81,517.46

Finding the Fourth Proportional to 126,760.89, 175,048.58 and 81,517.46

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Solution

The fourth proportional to 126,760.89, 175,048.58 and 81,517.46 is: 112,570.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,760.89 : 175,048.58 = 81,517.46 : x
  2. Step 2: Convert to fraction form
    126,760.89/175,048.58 = 81,517.46/x
  3. Step 3: Cross multiply
    126,760.89x = 175,048.58 × 81,517.46
  4. Step 4: Simplify right side
    126,760.89x = 14,269,514,946.76
  5. Step 5: Solve for x
    x = 14,269,514,946.76/126,760.89
  6. Step 6: Final answer
    x = 112,570.32

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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.