Home / 155,848.57-214,971.29-108,084.49

Finding the Fourth Proportional to 155,848.57, 214,971.29 and 108,084.49

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Solution

The fourth proportional to 155,848.57, 214,971.29 and 108,084.49 is: 149,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,848.57 : 214,971.29 = 108,084.49 : x
  2. Step 2: Convert to fraction form
    155,848.57/214,971.29 = 108,084.49/x
  3. Step 3: Cross multiply
    155,848.57x = 214,971.29 × 108,084.49
  4. Step 4: Simplify right side
    155,848.57x = 23,235,062,244.29
  5. Step 5: Solve for x
    x = 23,235,062,244.29/155,848.57
  6. Step 6: Final answer
    x = 149,087.43

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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.