Home / 179,834.82-248,180.32-103,378.67

Finding the Fourth Proportional to 179,834.82, 248,180.32 and 103,378.67

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Solution

The fourth proportional to 179,834.82, 248,180.32 and 103,378.67 is: 142,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,834.82 : 248,180.32 = 103,378.67 : x
  2. Step 2: Convert to fraction form
    179,834.82/248,180.32 = 103,378.67/x
  3. Step 3: Cross multiply
    179,834.82x = 248,180.32 × 103,378.67
  4. Step 4: Simplify right side
    179,834.82x = 25,656,551,401.77
  5. Step 5: Solve for x
    x = 25,656,551,401.77/179,834.82
  6. Step 6: Final answer
    x = 142,667.32

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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.