Home / 125,215.65-172,796.63-68,626.89

Finding the Fourth Proportional to 125,215.65, 172,796.63 and 68,626.89

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Solution

The fourth proportional to 125,215.65, 172,796.63 and 68,626.89 is: 94,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.65 : 172,796.63 = 68,626.89 : x
  2. Step 2: Convert to fraction form
    125,215.65/172,796.63 = 68,626.89/x
  3. Step 3: Cross multiply
    125,215.65x = 172,796.63 × 68,626.89
  4. Step 4: Simplify right side
    125,215.65x = 11,858,494,976.25
  5. Step 5: Solve for x
    x = 11,858,494,976.25/125,215.65
  6. Step 6: Final answer
    x = 94,704.58

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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.