Home / 217,999.04-300,840.66-131,960

Finding the Fourth Proportional to 217,999.04, 300,840.66 and 131,960

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Solution

The fourth proportional to 217,999.04, 300,840.66 and 131,960 is: 182,106.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,999.04 : 300,840.66 = 131,960 : x
  2. Step 2: Convert to fraction form
    217,999.04/300,840.66 = 131,960/x
  3. Step 3: Cross multiply
    217,999.04x = 300,840.66 × 131,960
  4. Step 4: Simplify right side
    217,999.04x = 39,698,933,493.60
  5. Step 5: Solve for x
    x = 39,698,933,493.60/217,999.04
  6. Step 6: Final answer
    x = 182,106.00

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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.