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Finding the Fourth Proportional to 134,429.44, 201,662.61 and 45,659.11

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Solution

The fourth proportional to 134,429.44, 201,662.61 and 45,659.11 is: 68,494.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,429.44 : 201,662.61 = 45,659.11 : x
  2. Step 2: Convert to fraction form
    134,429.44/201,662.61 = 45,659.11/x
  3. Step 3: Cross multiply
    134,429.44x = 201,662.61 × 45,659.11
  4. Step 4: Simplify right side
    134,429.44x = 9,207,735,292.88
  5. Step 5: Solve for x
    x = 9,207,735,292.88/134,429.44
  6. Step 6: Final answer
    x = 68,494.93

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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.