Home / 155,679.28-214,773.72-114,940.96

Finding the Fourth Proportional to 155,679.28, 214,773.72 and 114,940.96

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Solution

The fourth proportional to 155,679.28, 214,773.72 and 114,940.96 is: 158,571.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,679.28 : 214,773.72 = 114,940.96 : x
  2. Step 2: Convert to fraction form
    155,679.28/214,773.72 = 114,940.96/x
  3. Step 3: Cross multiply
    155,679.28x = 214,773.72 × 114,940.96
  4. Step 4: Simplify right side
    155,679.28x = 24,686,297,559.57
  5. Step 5: Solve for x
    x = 24,686,297,559.57/155,679.28
  6. Step 6: Final answer
    x = 158,571.50

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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.