Home / 104,089.11-143,642.46-58,766.64

Finding the Fourth Proportional to 104,089.11, 143,642.46 and 58,766.64

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Solution

The fourth proportional to 104,089.11, 143,642.46 and 58,766.64 is: 81,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,089.11 : 143,642.46 = 58,766.64 : x
  2. Step 2: Convert to fraction form
    104,089.11/143,642.46 = 58,766.64/x
  3. Step 3: Cross multiply
    104,089.11x = 143,642.46 × 58,766.64
  4. Step 4: Simplify right side
    104,089.11x = 8,441,384,735.53
  5. Step 5: Solve for x
    x = 8,441,384,735.53/104,089.11
  6. Step 6: Final answer
    x = 81,097.67

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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.