Home / 245,154.26-338,310.87-137,722.03

Finding the Fourth Proportional to 245,154.26, 338,310.87 and 137,722.03

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Solution

The fourth proportional to 245,154.26, 338,310.87 and 137,722.03 is: 190,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,154.26 : 338,310.87 = 137,722.03 : x
  2. Step 2: Convert to fraction form
    245,154.26/338,310.87 = 137,722.03/x
  3. Step 3: Cross multiply
    245,154.26x = 338,310.87 × 137,722.03
  4. Step 4: Simplify right side
    245,154.26x = 46,592,859,787.47
  5. Step 5: Solve for x
    x = 46,592,859,787.47/245,154.26
  6. Step 6: Final answer
    x = 190,055.27

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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.