Home / 142,768.40-197,020.20-79,110.32

Finding the Fourth Proportional to 142,768.40, 197,020.20 and 79,110.32

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Solution

The fourth proportional to 142,768.40, 197,020.20 and 79,110.32 is: 109,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,768.40 : 197,020.20 = 79,110.32 : x
  2. Step 2: Convert to fraction form
    142,768.40/197,020.20 = 79,110.32/x
  3. Step 3: Cross multiply
    142,768.40x = 197,020.20 × 79,110.32
  4. Step 4: Simplify right side
    142,768.40x = 15,586,331,068.46
  5. Step 5: Solve for x
    x = 15,586,331,068.46/142,768.40
  6. Step 6: Final answer
    x = 109,172.14

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