Home / 119,991.84-179,999.04-31,245.12

Finding the Fourth Proportional to 119,991.84, 179,999.04 and 31,245.12

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Solution

The fourth proportional to 119,991.84, 179,999.04 and 31,245.12 is: 46,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,991.84 : 179,999.04 = 31,245.12 : x
  2. Step 2: Convert to fraction form
    119,991.84/179,999.04 = 31,245.12/x
  3. Step 3: Cross multiply
    119,991.84x = 179,999.04 × 31,245.12
  4. Step 4: Simplify right side
    119,991.84x = 5,624,091,604.68
  5. Step 5: Solve for x
    x = 5,624,091,604.68/119,991.84
  6. Step 6: Final answer
    x = 46,870.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.