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Finding the Fourth Proportional to 187,470.80, 281,206.20 and 54,355.40

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Solution

The fourth proportional to 187,470.80, 281,206.20 and 54,355.40 is: 81,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,470.80 : 281,206.20 = 54,355.40 : x
  2. Step 2: Convert to fraction form
    187,470.80/281,206.20 = 54,355.40/x
  3. Step 3: Cross multiply
    187,470.80x = 281,206.20 × 54,355.40
  4. Step 4: Simplify right side
    187,470.80x = 15,285,075,483.48
  5. Step 5: Solve for x
    x = 15,285,075,483.48/187,470.80
  6. Step 6: Final answer
    x = 81,533.10

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