Home / 245,936.03-339,382.75-137,034.74

Finding the Fourth Proportional to 245,936.03, 339,382.75 and 137,034.74

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Solution

The fourth proportional to 245,936.03, 339,382.75 and 137,034.74 is: 189,102.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,936.03 : 339,382.75 = 137,034.74 : x
  2. Step 2: Convert to fraction form
    245,936.03/339,382.75 = 137,034.74/x
  3. Step 3: Cross multiply
    245,936.03x = 339,382.75 × 137,034.74
  4. Step 4: Simplify right side
    245,936.03x = 46,507,226,906.74
  5. Step 5: Solve for x
    x = 46,507,226,906.74/245,936.03
  6. Step 6: Final answer
    x = 189,102.94

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1.5x scale

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.