Home / 131,781.19-197,683.94-43,035.16

Finding the Fourth Proportional to 131,781.19, 197,683.94 and 43,035.16

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Solution

The fourth proportional to 131,781.19, 197,683.94 and 43,035.16 is: 64,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,781.19 : 197,683.94 = 43,035.16 : x
  2. Step 2: Convert to fraction form
    131,781.19/197,683.94 = 43,035.16/x
  3. Step 3: Cross multiply
    131,781.19x = 197,683.94 × 43,035.16
  4. Step 4: Simplify right side
    131,781.19x = 8,507,359,772.15
  5. Step 5: Solve for x
    x = 8,507,359,772.15/131,781.19
  6. Step 6: Final answer
    x = 64,556.71

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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.