Home / 188,744.22-260,465.76-103,861.08

Finding the Fourth Proportional to 188,744.22, 260,465.76 and 103,861.08

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Solution

The fourth proportional to 188,744.22, 260,465.76 and 103,861.08 is: 143,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,744.22 : 260,465.76 = 103,861.08 : x
  2. Step 2: Convert to fraction form
    188,744.22/260,465.76 = 103,861.08/x
  3. Step 3: Cross multiply
    188,744.22x = 260,465.76 × 103,861.08
  4. Step 4: Simplify right side
    188,744.22x = 27,052,255,136.62
  5. Step 5: Solve for x
    x = 27,052,255,136.62/188,744.22
  6. Step 6: Final answer
    x = 143,327.60

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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.