Home / 131,973.09-197,996.49-43,288.98

Finding the Fourth Proportional to 131,973.09, 197,996.49 and 43,288.98

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Solution

The fourth proportional to 131,973.09, 197,996.49 and 43,288.98 is: 64,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,973.09 : 197,996.49 = 43,288.98 : x
  2. Step 2: Convert to fraction form
    131,973.09/197,996.49 = 43,288.98/x
  3. Step 3: Cross multiply
    131,973.09x = 197,996.49 × 43,288.98
  4. Step 4: Simplify right side
    131,973.09x = 8,571,066,095.68
  5. Step 5: Solve for x
    x = 8,571,066,095.68/131,973.09
  6. Step 6: Final answer
    x = 64,945.56

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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.