Home / 131,771.96-181,845.41-71,342.64

Finding the Fourth Proportional to 131,771.96, 181,845.41 and 71,342.64

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Solution

The fourth proportional to 131,771.96, 181,845.41 and 71,342.64 is: 98,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,771.96 : 181,845.41 = 71,342.64 : x
  2. Step 2: Convert to fraction form
    131,771.96/181,845.41 = 71,342.64/x
  3. Step 3: Cross multiply
    131,771.96x = 181,845.41 × 71,342.64
  4. Step 4: Simplify right side
    131,771.96x = 12,973,331,264.57
  5. Step 5: Solve for x
    x = 12,973,331,264.57/131,771.96
  6. Step 6: Final answer
    x = 98,452.90

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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.