Home / 78,172.19-107,868.99-44,180.67

Finding the Fourth Proportional to 78,172.19, 107,868.99 and 44,180.67

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Solution

The fourth proportional to 78,172.19, 107,868.99 and 44,180.67 is: 60,964.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,172.19 : 107,868.99 = 44,180.67 : x
  2. Step 2: Convert to fraction form
    78,172.19/107,868.99 = 44,180.67/x
  3. Step 3: Cross multiply
    78,172.19x = 107,868.99 × 44,180.67
  4. Step 4: Simplify right side
    78,172.19x = 4,765,723,786.21
  5. Step 5: Solve for x
    x = 4,765,723,786.21/78,172.19
  6. Step 6: Final answer
    x = 60,964.44

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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.