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Finding the Fourth Proportional to 124,585.20, 186,877.80 and 123,807.60

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Solution

The fourth proportional to 124,585.20, 186,877.80 and 123,807.60 is: 185,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,585.20 : 186,877.80 = 123,807.60 : x
  2. Step 2: Convert to fraction form
    124,585.20/186,877.80 = 123,807.60/x
  3. Step 3: Cross multiply
    124,585.20x = 186,877.80 × 123,807.60
  4. Step 4: Simplify right side
    124,585.20x = 23,136,891,911.28
  5. Step 5: Solve for x
    x = 23,136,891,911.28/124,585.20
  6. Step 6: Final answer
    x = 185,711.40

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