Home / 134,286.40-201,429.60-100,825.30

Finding the Fourth Proportional to 134,286.40, 201,429.60 and 100,825.30

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Solution

The fourth proportional to 134,286.40, 201,429.60 and 100,825.30 is: 151,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,286.40 : 201,429.60 = 100,825.30 : x
  2. Step 2: Convert to fraction form
    134,286.40/201,429.60 = 100,825.30/x
  3. Step 3: Cross multiply
    134,286.40x = 201,429.60 × 100,825.30
  4. Step 4: Simplify right side
    134,286.40x = 20,309,199,848.88
  5. Step 5: Solve for x
    x = 20,309,199,848.88/134,286.40
  6. Step 6: Final answer
    x = 151,237.95

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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.