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Finding the Fourth Proportional to 157,980.71, 218,014.83 and 89,996.67

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Solution

The fourth proportional to 157,980.71, 218,014.83 and 89,996.67 is: 124,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,980.71 : 218,014.83 = 89,996.67 : x
  2. Step 2: Convert to fraction form
    157,980.71/218,014.83 = 89,996.67/x
  3. Step 3: Cross multiply
    157,980.71x = 218,014.83 × 89,996.67
  4. Step 4: Simplify right side
    157,980.71x = 19,620,609,503.81
  5. Step 5: Solve for x
    x = 19,620,609,503.81/157,980.71
  6. Step 6: Final answer
    x = 124,196.24

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