Home / 126,805.38-174,990.16-68,661.83

Finding the Fourth Proportional to 126,805.38, 174,990.16 and 68,661.83

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Solution

The fourth proportional to 126,805.38, 174,990.16 and 68,661.83 is: 94,752.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,805.38 : 174,990.16 = 68,661.83 : x
  2. Step 2: Convert to fraction form
    126,805.38/174,990.16 = 68,661.83/x
  3. Step 3: Cross multiply
    126,805.38x = 174,990.16 × 68,661.83
  4. Step 4: Simplify right side
    126,805.38x = 12,015,144,617.59
  5. Step 5: Solve for x
    x = 12,015,144,617.59/126,805.38
  6. Step 6: Final answer
    x = 94,752.64

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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.