Home / 149,774.48-206,442.70-106,181.90

Finding the Fourth Proportional to 149,774.48, 206,442.70 and 106,181.90

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Solution

The fourth proportional to 149,774.48, 206,442.70 and 106,181.90 is: 146,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,774.48 : 206,442.70 = 106,181.90 : x
  2. Step 2: Convert to fraction form
    149,774.48/206,442.70 = 106,181.90/x
  3. Step 3: Cross multiply
    149,774.48x = 206,442.70 × 106,181.90
  4. Step 4: Simplify right side
    149,774.48x = 21,920,476,829.46
  5. Step 5: Solve for x
    x = 21,920,476,829.46/149,774.48
  6. Step 6: Final answer
    x = 146,356.56

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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.