Home / 113,788.87-170,705.33-43,662.73

Finding the Fourth Proportional to 113,788.87, 170,705.33 and 43,662.73

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Solution

The fourth proportional to 113,788.87, 170,705.33 and 43,662.73 is: 65,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.87 : 170,705.33 = 43,662.73 : x
  2. Step 2: Convert to fraction form
    113,788.87/170,705.33 = 43,662.73/x
  3. Step 3: Cross multiply
    113,788.87x = 170,705.33 × 43,662.73
  4. Step 4: Simplify right side
    113,788.87x = 7,453,460,515.04
  5. Step 5: Solve for x
    x = 7,453,460,515.04/113,788.87
  6. Step 6: Final answer
    x = 65,502.54

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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.