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Finding the Fourth Proportional to 134,469.76, 201,704.68 and 40,975.60

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Solution

The fourth proportional to 134,469.76, 201,704.68 and 40,975.60 is: 61,463.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,469.76 : 201,704.68 = 40,975.60 : x
  2. Step 2: Convert to fraction form
    134,469.76/201,704.68 = 40,975.60/x
  3. Step 3: Cross multiply
    134,469.76x = 201,704.68 × 40,975.60
  4. Step 4: Simplify right side
    134,469.76x = 8,264,970,285.81
  5. Step 5: Solve for x
    x = 8,264,970,285.81/134,469.76
  6. Step 6: Final answer
    x = 61,463.41

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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.