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Finding the Fourth Proportional to 210,955.58, 291,107.48 and 115,443.82

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Solution

The fourth proportional to 210,955.58, 291,107.48 and 115,443.82 is: 159,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,955.58 : 291,107.48 = 115,443.82 : x
  2. Step 2: Convert to fraction form
    210,955.58/291,107.48 = 115,443.82/x
  3. Step 3: Cross multiply
    210,955.58x = 291,107.48 × 115,443.82
  4. Step 4: Simplify right side
    210,955.58x = 33,606,559,521.77
  5. Step 5: Solve for x
    x = 33,606,559,521.77/210,955.58
  6. Step 6: Final answer
    x = 159,306.33

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