Home / 135,378.91-202,947.75-64,257.67

Finding the Fourth Proportional to 135,378.91, 202,947.75 and 64,257.67

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Solution

The fourth proportional to 135,378.91, 202,947.75 and 64,257.67 is: 96,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,378.91 : 202,947.75 = 64,257.67 : x
  2. Step 2: Convert to fraction form
    135,378.91/202,947.75 = 64,257.67/x
  3. Step 3: Cross multiply
    135,378.91x = 202,947.75 × 64,257.67
  4. Step 4: Simplify right side
    135,378.91x = 13,040,949,546.74
  5. Step 5: Solve for x
    x = 13,040,949,546.74/135,378.91
  6. Step 6: Final answer
    x = 96,329.26

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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.