Home / 275,318.36-413,128-106,845.32

Finding the Fourth Proportional to 275,318.36, 413,128 and 106,845.32

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Solution

The fourth proportional to 275,318.36, 413,128 and 106,845.32 is: 160,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,318.36 : 413,128 = 106,845.32 : x
  2. Step 2: Convert to fraction form
    275,318.36/413,128 = 106,845.32/x
  3. Step 3: Cross multiply
    275,318.36x = 413,128 × 106,845.32
  4. Step 4: Simplify right side
    275,318.36x = 44,140,793,360.96
  5. Step 5: Solve for x
    x = 44,140,793,360.96/275,318.36
  6. Step 6: Final answer
    x = 160,326.37

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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.