Home / 128,325.20-177,005.34-82,312.02

Finding the Fourth Proportional to 128,325.20, 177,005.34 and 82,312.02

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Solution

The fourth proportional to 128,325.20, 177,005.34 and 82,312.02 is: 113,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.20 : 177,005.34 = 82,312.02 : x
  2. Step 2: Convert to fraction form
    128,325.20/177,005.34 = 82,312.02/x
  3. Step 3: Cross multiply
    128,325.20x = 177,005.34 × 82,312.02
  4. Step 4: Simplify right side
    128,325.20x = 14,569,667,086.19
  5. Step 5: Solve for x
    x = 14,569,667,086.19/128,325.20
  6. Step 6: Final answer
    x = 113,537.07

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