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Finding the Fourth Proportional to 186,318.97, 257,124.80 and 101,440.69

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Solution

The fourth proportional to 186,318.97, 257,124.80 and 101,440.69 is: 139,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,318.97 : 257,124.80 = 101,440.69 : x
  2. Step 2: Convert to fraction form
    186,318.97/257,124.80 = 101,440.69/x
  3. Step 3: Cross multiply
    186,318.97x = 257,124.80 × 101,440.69
  4. Step 4: Simplify right side
    186,318.97x = 26,082,917,128.11
  5. Step 5: Solve for x
    x = 26,082,917,128.11/186,318.97
  6. Step 6: Final answer
    x = 139,990.67

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