Home / 275,664.06-412,609.95-142,362.36

Finding the Fourth Proportional to 275,664.06, 412,609.95 and 142,362.36

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Solution

The fourth proportional to 275,664.06, 412,609.95 and 142,362.36 is: 213,085.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,664.06 : 412,609.95 = 142,362.36 : x
  2. Step 2: Convert to fraction form
    275,664.06/412,609.95 = 142,362.36/x
  3. Step 3: Cross multiply
    275,664.06x = 412,609.95 × 142,362.36
  4. Step 4: Simplify right side
    275,664.06x = 58,740,126,241.48
  5. Step 5: Solve for x
    x = 58,740,126,241.48/275,664.06
  6. Step 6: Final answer
    x = 213,085.91

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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.