Home / 146,690.70-220,181.85-71,895.30

Finding the Fourth Proportional to 146,690.70, 220,181.85 and 71,895.30

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Solution

The fourth proportional to 146,690.70, 220,181.85 and 71,895.30 is: 107,914.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,690.70 : 220,181.85 = 71,895.30 : x
  2. Step 2: Convert to fraction form
    146,690.70/220,181.85 = 71,895.30/x
  3. Step 3: Cross multiply
    146,690.70x = 220,181.85 × 71,895.30
  4. Step 4: Simplify right side
    146,690.70x = 15,830,040,160.31
  5. Step 5: Solve for x
    x = 15,830,040,160.31/146,690.70
  6. Step 6: Final answer
    x = 107,914.41

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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.