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Finding the Fourth Proportional to 144,026.40, 216,039.60 and 120,698.40

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Solution

The fourth proportional to 144,026.40, 216,039.60 and 120,698.40 is: 181,047.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,026.40 : 216,039.60 = 120,698.40 : x
  2. Step 2: Convert to fraction form
    144,026.40/216,039.60 = 120,698.40/x
  3. Step 3: Cross multiply
    144,026.40x = 216,039.60 × 120,698.40
  4. Step 4: Simplify right side
    144,026.40x = 26,075,634,056.64
  5. Step 5: Solve for x
    x = 26,075,634,056.64/144,026.40
  6. Step 6: Final answer
    x = 181,047.60

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