Home / 104,287.87-143,778.04-82,848.75

Finding the Fourth Proportional to 104,287.87, 143,778.04 and 82,848.75

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Solution

The fourth proportional to 104,287.87, 143,778.04 and 82,848.75 is: 114,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.87 : 143,778.04 = 82,848.75 : x
  2. Step 2: Convert to fraction form
    104,287.87/143,778.04 = 82,848.75/x
  3. Step 3: Cross multiply
    104,287.87x = 143,778.04 × 82,848.75
  4. Step 4: Simplify right side
    104,287.87x = 11,911,830,891.45
  5. Step 5: Solve for x
    x = 11,911,830,891.45/104,287.87
  6. Step 6: Final answer
    x = 114,220.67

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1.5x scale

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.