Home / 259,947.05-389,861.63-117,698.41

Finding the Fourth Proportional to 259,947.05, 389,861.63 and 117,698.41

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Solution

The fourth proportional to 259,947.05, 389,861.63 and 117,698.41 is: 176,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,947.05 : 389,861.63 = 117,698.41 : x
  2. Step 2: Convert to fraction form
    259,947.05/389,861.63 = 117,698.41/x
  3. Step 3: Cross multiply
    259,947.05x = 389,861.63 × 117,698.41
  4. Step 4: Simplify right side
    259,947.05x = 45,886,093,869.84
  5. Step 5: Solve for x
    x = 45,886,093,869.84/259,947.05
  6. Step 6: Final answer
    x = 176,520.93

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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.