Home / 149,776.48-206,445.45-106,183.90

Finding the Fourth Proportional to 149,776.48, 206,445.45 and 106,183.90

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Solution

The fourth proportional to 149,776.48, 206,445.45 and 106,183.90 is: 146,359.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,776.48 : 206,445.45 = 106,183.90 : x
  2. Step 2: Convert to fraction form
    149,776.48/206,445.45 = 106,183.90/x
  3. Step 3: Cross multiply
    149,776.48x = 206,445.45 × 106,183.90
  4. Step 4: Simplify right side
    149,776.48x = 21,921,183,018.26
  5. Step 5: Solve for x
    x = 21,921,183,018.26/149,776.48
  6. Step 6: Final answer
    x = 146,359.32

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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.