Home / 146,469.16-219,629.78-71,476.93

Finding the Fourth Proportional to 146,469.16, 219,629.78 and 71,476.93

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Solution

The fourth proportional to 146,469.16, 219,629.78 and 71,476.93 is: 107,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,469.16 : 219,629.78 = 71,476.93 : x
  2. Step 2: Convert to fraction form
    146,469.16/219,629.78 = 71,476.93/x
  3. Step 3: Cross multiply
    146,469.16x = 219,629.78 × 71,476.93
  4. Step 4: Simplify right side
    146,469.16x = 15,698,462,596.17
  5. Step 5: Solve for x
    x = 15,698,462,596.17/146,469.16
  6. Step 6: Final answer
    x = 107,179.30

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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.