Home / 131,829.24-197,813.60-71,901

Finding the Fourth Proportional to 131,829.24, 197,813.60 and 71,901

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Solution

The fourth proportional to 131,829.24, 197,813.60 and 71,901 is: 107,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,829.24 : 197,813.60 = 71,901 : x
  2. Step 2: Convert to fraction form
    131,829.24/197,813.60 = 71,901/x
  3. Step 3: Cross multiply
    131,829.24x = 197,813.60 × 71,901
  4. Step 4: Simplify right side
    131,829.24x = 14,222,995,653.60
  5. Step 5: Solve for x
    x = 14,222,995,653.60/131,829.24
  6. Step 6: Final answer
    x = 107,889.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.