Home / 146,485.14-219,761.54-45,279.32

Finding the Fourth Proportional to 146,485.14, 219,761.54 and 45,279.32

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Solution

The fourth proportional to 146,485.14, 219,761.54 and 45,279.32 is: 67,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,485.14 : 219,761.54 = 45,279.32 : x
  2. Step 2: Convert to fraction form
    146,485.14/219,761.54 = 45,279.32/x
  3. Step 3: Cross multiply
    146,485.14x = 219,761.54 × 45,279.32
  4. Step 4: Simplify right side
    146,485.14x = 9,950,651,768.15
  5. Step 5: Solve for x
    x = 9,950,651,768.15/146,485.14
  6. Step 6: Final answer
    x = 67,929.43

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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.