Home / 155,792.46-214,993.74-84,172.62

Finding the Fourth Proportional to 155,792.46, 214,993.74 and 84,172.62

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Solution

The fourth proportional to 155,792.46, 214,993.74 and 84,172.62 is: 116,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,792.46 : 214,993.74 = 84,172.62 : x
  2. Step 2: Convert to fraction form
    155,792.46/214,993.74 = 84,172.62/x
  3. Step 3: Cross multiply
    155,792.46x = 214,993.74 × 84,172.62
  4. Step 4: Simplify right side
    155,792.46x = 18,096,586,291.93
  5. Step 5: Solve for x
    x = 18,096,586,291.93/155,792.46
  6. Step 6: Final answer
    x = 116,158.29

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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.