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Finding the Fourth Proportional to 190,802.80, 286,204.20 and 112,070.80

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Solution

The fourth proportional to 190,802.80, 286,204.20 and 112,070.80 is: 168,106.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,802.80 : 286,204.20 = 112,070.80 : x
  2. Step 2: Convert to fraction form
    190,802.80/286,204.20 = 112,070.80/x
  3. Step 3: Cross multiply
    190,802.80x = 286,204.20 × 112,070.80
  4. Step 4: Simplify right side
    190,802.80x = 32,075,133,657.36
  5. Step 5: Solve for x
    x = 32,075,133,657.36/190,802.80
  6. Step 6: Final answer
    x = 168,106.20

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