Home / 245,380.65-338,623.26-137,951.16

Finding the Fourth Proportional to 245,380.65, 338,623.26 and 137,951.16

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Solution

The fourth proportional to 245,380.65, 338,623.26 and 137,951.16 is: 190,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,380.65 : 338,623.26 = 137,951.16 : x
  2. Step 2: Convert to fraction form
    245,380.65/338,623.26 = 137,951.16/x
  3. Step 3: Cross multiply
    245,380.65x = 338,623.26 × 137,951.16
  4. Step 4: Simplify right side
    245,380.65x = 46,713,471,519.98
  5. Step 5: Solve for x
    x = 46,713,471,519.98/245,380.65
  6. Step 6: Final answer
    x = 190,371.46

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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.