Home / 201,977.72-278,522.09-133,085.24

Finding the Fourth Proportional to 201,977.72, 278,522.09 and 133,085.24

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Solution

The fourth proportional to 201,977.72, 278,522.09 and 133,085.24 is: 183,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,977.72 : 278,522.09 = 133,085.24 : x
  2. Step 2: Convert to fraction form
    201,977.72/278,522.09 = 133,085.24/x
  3. Step 3: Cross multiply
    201,977.72x = 278,522.09 × 133,085.24
  4. Step 4: Simplify right side
    201,977.72x = 37,067,180,993.73
  5. Step 5: Solve for x
    x = 37,067,180,993.73/201,977.72
  6. Step 6: Final answer
    x = 183,521.14

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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.