Home / 105,977.23-159,027.82-39,464.48

Finding the Fourth Proportional to 105,977.23, 159,027.82 and 39,464.48

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Solution

The fourth proportional to 105,977.23, 159,027.82 and 39,464.48 is: 59,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,977.23 : 159,027.82 = 39,464.48 : x
  2. Step 2: Convert to fraction form
    105,977.23/159,027.82 = 39,464.48/x
  3. Step 3: Cross multiply
    105,977.23x = 159,027.82 × 39,464.48
  4. Step 4: Simplify right side
    105,977.23x = 6,275,950,520.74
  5. Step 5: Solve for x
    x = 6,275,950,520.74/105,977.23
  6. Step 6: Final answer
    x = 59,219.80

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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.