Home / 124,784.56-172,202.25-68,195.89

Finding the Fourth Proportional to 124,784.56, 172,202.25 and 68,195.89

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Solution

The fourth proportional to 124,784.56, 172,202.25 and 68,195.89 is: 94,110.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,784.56 : 172,202.25 = 68,195.89 : x
  2. Step 2: Convert to fraction form
    124,784.56/172,202.25 = 68,195.89/x
  3. Step 3: Cross multiply
    124,784.56x = 172,202.25 × 68,195.89
  4. Step 4: Simplify right side
    124,784.56x = 11,743,485,698.75
  5. Step 5: Solve for x
    x = 11,743,485,698.75/124,784.56
  6. Step 6: Final answer
    x = 94,110.09

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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.