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Finding the Fourth Proportional to 130,251.20, 195,085.20 and 100,572.80

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Solution

The fourth proportional to 130,251.20, 195,085.20 and 100,572.80 is: 150,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,251.20 : 195,085.20 = 100,572.80 : x
  2. Step 2: Convert to fraction form
    130,251.20/195,085.20 = 100,572.80/x
  3. Step 3: Cross multiply
    130,251.20x = 195,085.20 × 100,572.80
  4. Step 4: Simplify right side
    130,251.20x = 19,620,264,802.56
  5. Step 5: Solve for x
    x = 19,620,264,802.56/130,251.20
  6. Step 6: Final answer
    x = 150,634.04

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