Home / 131,129.54-196,723.56-37,628

Finding the Fourth Proportional to 131,129.54, 196,723.56 and 37,628

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Solution

The fourth proportional to 131,129.54, 196,723.56 and 37,628 is: 56,450.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,129.54 : 196,723.56 = 37,628 : x
  2. Step 2: Convert to fraction form
    131,129.54/196,723.56 = 37,628/x
  3. Step 3: Cross multiply
    131,129.54x = 196,723.56 × 37,628
  4. Step 4: Simplify right side
    131,129.54x = 7,402,314,115.68
  5. Step 5: Solve for x
    x = 7,402,314,115.68/131,129.54
  6. Step 6: Final answer
    x = 56,450.39

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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.