Home / 131,189.28-196,783.26-51,235.37

Finding the Fourth Proportional to 131,189.28, 196,783.26 and 51,235.37

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Solution

The fourth proportional to 131,189.28, 196,783.26 and 51,235.37 is: 76,852.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,189.28 : 196,783.26 = 51,235.37 : x
  2. Step 2: Convert to fraction form
    131,189.28/196,783.26 = 51,235.37/x
  3. Step 3: Cross multiply
    131,189.28x = 196,783.26 × 51,235.37
  4. Step 4: Simplify right side
    131,189.28x = 10,082,262,151.99
  5. Step 5: Solve for x
    x = 10,082,262,151.99/131,189.28
  6. Step 6: Final answer
    x = 76,852.79

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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.