Home / 107,480.73-148,183.95-69,171.78

Finding the Fourth Proportional to 107,480.73, 148,183.95 and 69,171.78

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Solution

The fourth proportional to 107,480.73, 148,183.95 and 69,171.78 is: 95,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,480.73 : 148,183.95 = 69,171.78 : x
  2. Step 2: Convert to fraction form
    107,480.73/148,183.95 = 69,171.78/x
  3. Step 3: Cross multiply
    107,480.73x = 148,183.95 × 69,171.78
  4. Step 4: Simplify right side
    107,480.73x = 10,250,147,243.07
  5. Step 5: Solve for x
    x = 10,250,147,243.07/107,480.73
  6. Step 6: Final answer
    x = 95,367.30

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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.