Home / 126,804.38-174,988.78-68,660.83

Finding the Fourth Proportional to 126,804.38, 174,988.78 and 68,660.83

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Solution

The fourth proportional to 126,804.38, 174,988.78 and 68,660.83 is: 94,751.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,804.38 : 174,988.78 = 68,660.83 : x
  2. Step 2: Convert to fraction form
    126,804.38/174,988.78 = 68,660.83/x
  3. Step 3: Cross multiply
    126,804.38x = 174,988.78 × 68,660.83
  4. Step 4: Simplify right side
    126,804.38x = 12,014,874,922.57
  5. Step 5: Solve for x
    x = 12,014,874,922.57/126,804.38
  6. Step 6: Final answer
    x = 94,751.26

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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.