Home / 126,805.13-174,989.82-68,661.59

Finding the Fourth Proportional to 126,805.13, 174,989.82 and 68,661.59

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Solution

The fourth proportional to 126,805.13, 174,989.82 and 68,661.59 is: 94,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.13 : 174,989.82 = 68,661.59 : x
  2. Step 2: Convert to fraction form
    126,805.13/174,989.82 = 68,661.59/x
  3. Step 3: Cross multiply
    126,805.13x = 174,989.82 × 68,661.59
  4. Step 4: Simplify right side
    126,805.13x = 12,015,079,275.01
  5. Step 5: Solve for x
    x = 12,015,079,275.01/126,805.13
  6. Step 6: Final answer
    x = 94,752.31

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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.