Home / 134,170.40-201,255.60-100,709.30

Finding the Fourth Proportional to 134,170.40, 201,255.60 and 100,709.30

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Solution

The fourth proportional to 134,170.40, 201,255.60 and 100,709.30 is: 151,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,170.40 : 201,255.60 = 100,709.30 : x
  2. Step 2: Convert to fraction form
    134,170.40/201,255.60 = 100,709.30/x
  3. Step 3: Cross multiply
    134,170.40x = 201,255.60 × 100,709.30
  4. Step 4: Simplify right side
    134,170.40x = 20,268,310,597.08
  5. Step 5: Solve for x
    x = 20,268,310,597.08/134,170.40
  6. Step 6: Final answer
    x = 151,063.95

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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.