Home / 134,213.10-201,172.04-55,284.27

Finding the Fourth Proportional to 134,213.10, 201,172.04 and 55,284.27

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Solution

The fourth proportional to 134,213.10, 201,172.04 and 55,284.27 is: 82,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,213.10 : 201,172.04 = 55,284.27 : x
  2. Step 2: Convert to fraction form
    134,213.10/201,172.04 = 55,284.27/x
  3. Step 3: Cross multiply
    134,213.10x = 201,172.04 × 55,284.27
  4. Step 4: Simplify right side
    134,213.10x = 11,121,649,099.39
  5. Step 5: Solve for x
    x = 11,121,649,099.39/134,213.10
  6. Step 6: Final answer
    x = 82,865.60

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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.