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Finding the Fourth Proportional to 92,075.80, 138,120.66 and 25,515.16

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Solution

The fourth proportional to 92,075.80, 138,120.66 and 25,515.16 is: 38,274.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,075.80 : 138,120.66 = 25,515.16 : x
  2. Step 2: Convert to fraction form
    92,075.80/138,120.66 = 25,515.16/x
  3. Step 3: Cross multiply
    92,075.80x = 138,120.66 × 25,515.16
  4. Step 4: Simplify right side
    92,075.80x = 3,524,170,739.21
  5. Step 5: Solve for x
    x = 3,524,170,739.21/92,075.80
  6. Step 6: Final answer
    x = 38,274.67

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