Home / 145,940.30-218,483.94-131,932.56

Finding the Fourth Proportional to 145,940.30, 218,483.94 and 131,932.56

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Solution

The fourth proportional to 145,940.30, 218,483.94 and 131,932.56 is: 197,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,940.30 : 218,483.94 = 131,932.56 : x
  2. Step 2: Convert to fraction form
    145,940.30/218,483.94 = 131,932.56/x
  3. Step 3: Cross multiply
    145,940.30x = 218,483.94 × 131,932.56
  4. Step 4: Simplify right side
    145,940.30x = 28,825,145,523.09
  5. Step 5: Solve for x
    x = 28,825,145,523.09/145,940.30
  6. Step 6: Final answer
    x = 197,513.27

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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.