Home / 245,134.15-338,266.94-137,722.07

Finding the Fourth Proportional to 245,134.15, 338,266.94 and 137,722.07

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Solution

The fourth proportional to 245,134.15, 338,266.94 and 137,722.07 is: 190,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,134.15 : 338,266.94 = 137,722.07 : x
  2. Step 2: Convert to fraction form
    245,134.15/338,266.94 = 137,722.07/x
  3. Step 3: Cross multiply
    245,134.15x = 338,266.94 × 137,722.07
  4. Step 4: Simplify right side
    245,134.15x = 46,586,823,346.42
  5. Step 5: Solve for x
    x = 46,586,823,346.42/245,134.15
  6. Step 6: Final answer
    x = 190,046.24

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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.