Home / 107,709.96-148,636.26-59,961.72

Finding the Fourth Proportional to 107,709.96, 148,636.26 and 59,961.72

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Solution

The fourth proportional to 107,709.96, 148,636.26 and 59,961.72 is: 82,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,709.96 : 148,636.26 = 59,961.72 : x
  2. Step 2: Convert to fraction form
    107,709.96/148,636.26 = 59,961.72/x
  3. Step 3: Cross multiply
    107,709.96x = 148,636.26 × 59,961.72
  4. Step 4: Simplify right side
    107,709.96x = 8,912,485,803.97
  5. Step 5: Solve for x
    x = 8,912,485,803.97/107,709.96
  6. Step 6: Final answer
    x = 82,745.23

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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.