Home / 135,679.21-203,528.61-35,838.11

Finding the Fourth Proportional to 135,679.21, 203,528.61 and 35,838.11

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Solution

The fourth proportional to 135,679.21, 203,528.61 and 35,838.11 is: 53,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,679.21 : 203,528.61 = 35,838.11 : x
  2. Step 2: Convert to fraction form
    135,679.21/203,528.61 = 35,838.11/x
  3. Step 3: Cross multiply
    135,679.21x = 203,528.61 × 35,838.11
  4. Step 4: Simplify right side
    135,679.21x = 7,294,081,222.15
  5. Step 5: Solve for x
    x = 7,294,081,222.15/135,679.21
  6. Step 6: Final answer
    x = 53,759.76

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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.