Home / 245,783.25-339,175.31-136,886.85

Finding the Fourth Proportional to 245,783.25, 339,175.31 and 136,886.85

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Solution

The fourth proportional to 245,783.25, 339,175.31 and 136,886.85 is: 188,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,783.25 : 339,175.31 = 136,886.85 : x
  2. Step 2: Convert to fraction form
    245,783.25/339,175.31 = 136,886.85/x
  3. Step 3: Cross multiply
    245,783.25x = 339,175.31 × 136,886.85
  4. Step 4: Simplify right side
    245,783.25x = 46,428,639,099.24
  5. Step 5: Solve for x
    x = 46,428,639,099.24/245,783.25
  6. Step 6: Final answer
    x = 188,900.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.