Home / 245,521.97-338,817.06-138,092.01

Finding the Fourth Proportional to 245,521.97, 338,817.06 and 138,092.01

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Solution

The fourth proportional to 245,521.97, 338,817.06 and 138,092.01 is: 190,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,521.97 : 338,817.06 = 138,092.01 : x
  2. Step 2: Convert to fraction form
    245,521.97/338,817.06 = 138,092.01/x
  3. Step 3: Cross multiply
    245,521.97x = 338,817.06 × 138,092.01
  4. Step 4: Simplify right side
    245,521.97x = 46,787,928,837.69
  5. Step 5: Solve for x
    x = 46,787,928,837.69/245,521.97
  6. Step 6: Final answer
    x = 190,565.14

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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.