Home / 199,815.15-275,741.67-109,169.16

Finding the Fourth Proportional to 199,815.15, 275,741.67 and 109,169.16

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Solution

The fourth proportional to 199,815.15, 275,741.67 and 109,169.16 is: 150,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,815.15 : 275,741.67 = 109,169.16 : x
  2. Step 2: Convert to fraction form
    199,815.15/275,741.67 = 109,169.16/x
  3. Step 3: Cross multiply
    199,815.15x = 275,741.67 × 109,169.16
  4. Step 4: Simplify right side
    199,815.15x = 30,102,486,490.90
  5. Step 5: Solve for x
    x = 30,102,486,490.90/199,815.15
  6. Step 6: Final answer
    x = 150,651.67

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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.