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Finding the Fourth Proportional to 134,004.36, 200,865.42 and 45,173.64

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Solution

The fourth proportional to 134,004.36, 200,865.42 and 45,173.64 is: 67,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,004.36 : 200,865.42 = 45,173.64 : x
  2. Step 2: Convert to fraction form
    134,004.36/200,865.42 = 45,173.64/x
  3. Step 3: Cross multiply
    134,004.36x = 200,865.42 × 45,173.64
  4. Step 4: Simplify right side
    134,004.36x = 9,073,822,171.53
  5. Step 5: Solve for x
    x = 9,073,822,171.53/134,004.36
  6. Step 6: Final answer
    x = 67,712.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.