Home / 133,728.90-184,564.80-82,758.04

Finding the Fourth Proportional to 133,728.90, 184,564.80 and 82,758.04

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Solution

The fourth proportional to 133,728.90, 184,564.80 and 82,758.04 is: 114,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.90 : 184,564.80 = 82,758.04 : x
  2. Step 2: Convert to fraction form
    133,728.90/184,564.80 = 82,758.04/x
  3. Step 3: Cross multiply
    133,728.90x = 184,564.80 × 82,758.04
  4. Step 4: Simplify right side
    133,728.90x = 15,274,221,100.99
  5. Step 5: Solve for x
    x = 15,274,221,100.99/133,728.90
  6. Step 6: Final answer
    x = 114,217.80

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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.