Home / 142,785.44-197,041.53-78,254.18

Finding the Fourth Proportional to 142,785.44, 197,041.53 and 78,254.18

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Solution

The fourth proportional to 142,785.44, 197,041.53 and 78,254.18 is: 107,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,785.44 : 197,041.53 = 78,254.18 : x
  2. Step 2: Convert to fraction form
    142,785.44/197,041.53 = 78,254.18/x
  3. Step 3: Cross multiply
    142,785.44x = 197,041.53 × 78,254.18
  4. Step 4: Simplify right side
    142,785.44x = 15,419,322,370.89
  5. Step 5: Solve for x
    x = 15,419,322,370.89/142,785.44
  6. Step 6: Final answer
    x = 107,989.46

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