Home / 155,522.25-214,620.71-88,467.21

Finding the Fourth Proportional to 155,522.25, 214,620.71 and 88,467.21

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Solution

The fourth proportional to 155,522.25, 214,620.71 and 88,467.21 is: 122,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,522.25 : 214,620.71 = 88,467.21 : x
  2. Step 2: Convert to fraction form
    155,522.25/214,620.71 = 88,467.21/x
  3. Step 3: Cross multiply
    155,522.25x = 214,620.71 × 88,467.21
  4. Step 4: Simplify right side
    155,522.25x = 18,986,894,979.58
  5. Step 5: Solve for x
    x = 18,986,894,979.58/155,522.25
  6. Step 6: Final answer
    x = 122,084.75

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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.