Home / 224,143.35-309,318.07-122,168.90

Finding the Fourth Proportional to 224,143.35, 309,318.07 and 122,168.90

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Solution

The fourth proportional to 224,143.35, 309,318.07 and 122,168.90 is: 168,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,143.35 : 309,318.07 = 122,168.90 : x
  2. Step 2: Convert to fraction form
    224,143.35/309,318.07 = 122,168.90/x
  3. Step 3: Cross multiply
    224,143.35x = 309,318.07 × 122,168.90
  4. Step 4: Simplify right side
    224,143.35x = 37,789,047,845.41
  5. Step 5: Solve for x
    x = 37,789,047,845.41/224,143.35
  6. Step 6: Final answer
    x = 168,593.21

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1.5x scale

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.