Home / 120,075.26-180,112.86-45,212.18

Finding the Fourth Proportional to 120,075.26, 180,112.86 and 45,212.18

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Solution

The fourth proportional to 120,075.26, 180,112.86 and 45,212.18 is: 67,818.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,075.26 : 180,112.86 = 45,212.18 : x
  2. Step 2: Convert to fraction form
    120,075.26/180,112.86 = 45,212.18/x
  3. Step 3: Cross multiply
    120,075.26x = 180,112.86 × 45,212.18
  4. Step 4: Simplify right side
    120,075.26x = 8,143,294,146.07
  5. Step 5: Solve for x
    x = 8,143,294,146.07/120,075.26
  6. Step 6: Final answer
    x = 67,818.25

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