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Finding the Fourth Proportional to 211,201.17, 316,775.33 and 69,034.55

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Solution

The fourth proportional to 211,201.17, 316,775.33 and 69,034.55 is: 103,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,201.17 : 316,775.33 = 69,034.55 : x
  2. Step 2: Convert to fraction form
    211,201.17/316,775.33 = 69,034.55/x
  3. Step 3: Cross multiply
    211,201.17x = 316,775.33 × 69,034.55
  4. Step 4: Simplify right side
    211,201.17x = 21,868,440,428.60
  5. Step 5: Solve for x
    x = 21,868,440,428.60/211,201.17
  6. Step 6: Final answer
    x = 103,543.18

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