Home / 135,904.26-203,897.70-42,410.82

Finding the Fourth Proportional to 135,904.26, 203,897.70 and 42,410.82

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Solution

The fourth proportional to 135,904.26, 203,897.70 and 42,410.82 is: 63,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.26 : 203,897.70 = 42,410.82 : x
  2. Step 2: Convert to fraction form
    135,904.26/203,897.70 = 42,410.82/x
  3. Step 3: Cross multiply
    135,904.26x = 203,897.70 × 42,410.82
  4. Step 4: Simplify right side
    135,904.26x = 8,647,468,653.11
  5. Step 5: Solve for x
    x = 8,647,468,653.11/135,904.26
  6. Step 6: Final answer
    x = 63,629.12

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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.