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Finding the Fourth Proportional to 186,649.20, 257,574.60 and 106,070.40

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Solution

The fourth proportional to 186,649.20, 257,574.60 and 106,070.40 is: 146,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,649.20 : 257,574.60 = 106,070.40 : x
  2. Step 2: Convert to fraction form
    186,649.20/257,574.60 = 106,070.40/x
  3. Step 3: Cross multiply
    186,649.20x = 257,574.60 × 106,070.40
  4. Step 4: Simplify right side
    186,649.20x = 27,321,040,851.84
  5. Step 5: Solve for x
    x = 27,321,040,851.84/186,649.20
  6. Step 6: Final answer
    x = 146,376.42

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