Home / 135,405.39-203,140.53-41,911.14

Finding the Fourth Proportional to 135,405.39, 203,140.53 and 41,911.14

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Solution

The fourth proportional to 135,405.39, 203,140.53 and 41,911.14 is: 62,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,405.39 : 203,140.53 = 41,911.14 : x
  2. Step 2: Convert to fraction form
    135,405.39/203,140.53 = 41,911.14/x
  3. Step 3: Cross multiply
    135,405.39x = 203,140.53 × 41,911.14
  4. Step 4: Simplify right side
    135,405.39x = 8,513,851,192.50
  5. Step 5: Solve for x
    x = 8,513,851,192.50/135,405.39
  6. Step 6: Final answer
    x = 62,876.75

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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.