Home / 149,313.81-206,053.07-82,245.81

Finding the Fourth Proportional to 149,313.81, 206,053.07 and 82,245.81

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Solution

The fourth proportional to 149,313.81, 206,053.07 and 82,245.81 is: 113,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,313.81 : 206,053.07 = 82,245.81 : x
  2. Step 2: Convert to fraction form
    149,313.81/206,053.07 = 82,245.81/x
  3. Step 3: Cross multiply
    149,313.81x = 206,053.07 × 82,245.81
  4. Step 4: Simplify right side
    149,313.81x = 16,947,001,645.14
  5. Step 5: Solve for x
    x = 16,947,001,645.14/149,313.81
  6. Step 6: Final answer
    x = 113,499.22

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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.