Home / 245,662.14-339,033.69-138,225.90

Finding the Fourth Proportional to 245,662.14, 339,033.69 and 138,225.90

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Solution

The fourth proportional to 245,662.14, 339,033.69 and 138,225.90 is: 190,762.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,662.14 : 339,033.69 = 138,225.90 : x
  2. Step 2: Convert to fraction form
    245,662.14/339,033.69 = 138,225.90/x
  3. Step 3: Cross multiply
    245,662.14x = 339,033.69 × 138,225.90
  4. Step 4: Simplify right side
    245,662.14x = 46,863,236,930.57
  5. Step 5: Solve for x
    x = 46,863,236,930.57/245,662.14
  6. Step 6: Final answer
    x = 190,762.96

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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.