Home / 135,934.20-203,974.20-57,056.40

Finding the Fourth Proportional to 135,934.20, 203,974.20 and 57,056.40

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Solution

The fourth proportional to 135,934.20, 203,974.20 and 57,056.40 is: 85,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,934.20 : 203,974.20 = 57,056.40 : x
  2. Step 2: Convert to fraction form
    135,934.20/203,974.20 = 57,056.40/x
  3. Step 3: Cross multiply
    135,934.20x = 203,974.20 × 57,056.40
  4. Step 4: Simplify right side
    135,934.20x = 11,638,033,544.88
  5. Step 5: Solve for x
    x = 11,638,033,544.88/135,934.20
  6. Step 6: Final answer
    x = 85,615.20

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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.