Home / 149,260.98-205,968.78-84,722.64

Finding the Fourth Proportional to 149,260.98, 205,968.78 and 84,722.64

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Solution

The fourth proportional to 149,260.98, 205,968.78 and 84,722.64 is: 116,910.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,260.98 : 205,968.78 = 84,722.64 : x
  2. Step 2: Convert to fraction form
    149,260.98/205,968.78 = 84,722.64/x
  3. Step 3: Cross multiply
    149,260.98x = 205,968.78 × 84,722.64
  4. Step 4: Simplify right side
    149,260.98x = 17,450,218,799.18
  5. Step 5: Solve for x
    x = 17,450,218,799.18/149,260.98
  6. Step 6: Final answer
    x = 116,910.79

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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.