Home / 188,585.40-260,241.12-103,701.72

Finding the Fourth Proportional to 188,585.40, 260,241.12 and 103,701.72

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Solution

The fourth proportional to 188,585.40, 260,241.12 and 103,701.72 is: 143,104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,585.40 : 260,241.12 = 103,701.72 : x
  2. Step 2: Convert to fraction form
    188,585.40/260,241.12 = 103,701.72/x
  3. Step 3: Cross multiply
    188,585.40x = 260,241.12 × 103,701.72
  4. Step 4: Simplify right side
    188,585.40x = 26,987,451,758.73
  5. Step 5: Solve for x
    x = 26,987,451,758.73/188,585.40
  6. Step 6: Final answer
    x = 143,104.67

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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.