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Finding the Fourth Proportional to 157,001.41, 216,659.90 and 85,379.89

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Solution

The fourth proportional to 157,001.41, 216,659.90 and 85,379.89 is: 117,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,001.41 : 216,659.90 = 85,379.89 : x
  2. Step 2: Convert to fraction form
    157,001.41/216,659.90 = 85,379.89/x
  3. Step 3: Cross multiply
    157,001.41x = 216,659.90 × 85,379.89
  4. Step 4: Simplify right side
    157,001.41x = 18,498,398,429.41
  5. Step 5: Solve for x
    x = 18,498,398,429.41/157,001.41
  6. Step 6: Final answer
    x = 117,823.14

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