Home / 150,792.42-208,099.07-82,815.67

Finding the Fourth Proportional to 150,792.42, 208,099.07 and 82,815.67

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Solution

The fourth proportional to 150,792.42, 208,099.07 and 82,815.67 is: 114,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,792.42 : 208,099.07 = 82,815.67 : x
  2. Step 2: Convert to fraction form
    150,792.42/208,099.07 = 82,815.67/x
  3. Step 3: Cross multiply
    150,792.42x = 208,099.07 × 82,815.67
  4. Step 4: Simplify right side
    150,792.42x = 17,233,863,360.31
  5. Step 5: Solve for x
    x = 17,233,863,360.31/150,792.42
  6. Step 6: Final answer
    x = 114,288.66

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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.