Home / 126,233.54-174,197.49-78,475.94

Finding the Fourth Proportional to 126,233.54, 174,197.49 and 78,475.94

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Solution

The fourth proportional to 126,233.54, 174,197.49 and 78,475.94 is: 108,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,233.54 : 174,197.49 = 78,475.94 : x
  2. Step 2: Convert to fraction form
    126,233.54/174,197.49 = 78,475.94/x
  3. Step 3: Cross multiply
    126,233.54x = 174,197.49 × 78,475.94
  4. Step 4: Simplify right side
    126,233.54x = 13,670,311,773.39
  5. Step 5: Solve for x
    x = 13,670,311,773.39/126,233.54
  6. Step 6: Final answer
    x = 108,293.82

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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.