Home / 245,093.04-338,236.56-137,683.80

Finding the Fourth Proportional to 245,093.04, 338,236.56 and 137,683.80

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Solution

The fourth proportional to 245,093.04, 338,236.56 and 137,683.80 is: 190,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,093.04 : 338,236.56 = 137,683.80 : x
  2. Step 2: Convert to fraction form
    245,093.04/338,236.56 = 137,683.80/x
  3. Step 3: Cross multiply
    245,093.04x = 338,236.56 × 137,683.80
  4. Step 4: Simplify right side
    245,093.04x = 46,569,694,879.73
  5. Step 5: Solve for x
    x = 46,569,694,879.73/245,093.04
  6. Step 6: Final answer
    x = 190,008.23

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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.