Home / 131,913.33-182,039.97-71,485.48

Finding the Fourth Proportional to 131,913.33, 182,039.97 and 71,485.48

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Solution

The fourth proportional to 131,913.33, 182,039.97 and 71,485.48 is: 98,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,913.33 : 182,039.97 = 71,485.48 : x
  2. Step 2: Convert to fraction form
    131,913.33/182,039.97 = 71,485.48/x
  3. Step 3: Cross multiply
    131,913.33x = 182,039.97 × 71,485.48
  4. Step 4: Simplify right side
    131,913.33x = 13,013,214,634.64
  5. Step 5: Solve for x
    x = 13,013,214,634.64/131,913.33
  6. Step 6: Final answer
    x = 98,649.73

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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.