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Finding the Fourth Proportional to 134,004.68, 201,036.18 and 40,508

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Solution

The fourth proportional to 134,004.68, 201,036.18 and 40,508 is: 60,770.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,004.68 : 201,036.18 = 40,508 : x
  2. Step 2: Convert to fraction form
    134,004.68/201,036.18 = 40,508/x
  3. Step 3: Cross multiply
    134,004.68x = 201,036.18 × 40,508
  4. Step 4: Simplify right side
    134,004.68x = 8,143,573,579.44
  5. Step 5: Solve for x
    x = 8,143,573,579.44/134,004.68
  6. Step 6: Final answer
    x = 60,770.81

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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.