Home / 131,857.48-197,791.71-38,363.32

Finding the Fourth Proportional to 131,857.48, 197,791.71 and 38,363.32

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Solution

The fourth proportional to 131,857.48, 197,791.71 and 38,363.32 is: 57,546.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,857.48 : 197,791.71 = 38,363.32 : x
  2. Step 2: Convert to fraction form
    131,857.48/197,791.71 = 38,363.32/x
  3. Step 3: Cross multiply
    131,857.48x = 197,791.71 × 38,363.32
  4. Step 4: Simplify right side
    131,857.48x = 7,587,946,664.08
  5. Step 5: Solve for x
    x = 7,587,946,664.08/131,857.48
  6. Step 6: Final answer
    x = 57,546.58

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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.