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Finding the Fourth Proportional to 211,397.46, 316,673.71 and 127,111.48

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Solution

The fourth proportional to 211,397.46, 316,673.71 and 127,111.48 is: 190,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,397.46 : 316,673.71 = 127,111.48 : x
  2. Step 2: Convert to fraction form
    211,397.46/316,673.71 = 127,111.48/x
  3. Step 3: Cross multiply
    211,397.46x = 316,673.71 × 127,111.48
  4. Step 4: Simplify right side
    211,397.46x = 40,252,863,955.19
  5. Step 5: Solve for x
    x = 40,252,863,955.19/211,397.46
  6. Step 6: Final answer
    x = 190,413.19

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