Home / 134,213.11-201,172.03-55,284.28

Finding the Fourth Proportional to 134,213.11, 201,172.03 and 55,284.28

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Solution

The fourth proportional to 134,213.11, 201,172.03 and 55,284.28 is: 82,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,213.11 : 201,172.03 = 55,284.28 : x
  2. Step 2: Convert to fraction form
    134,213.11/201,172.03 = 55,284.28/x
  3. Step 3: Cross multiply
    134,213.11x = 201,172.03 × 55,284.28
  4. Step 4: Simplify right side
    134,213.11x = 11,121,650,193.55
  5. Step 5: Solve for x
    x = 11,121,650,193.55/134,213.11
  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.