Home / 124,769.64-172,133.28-76,939.95

Finding the Fourth Proportional to 124,769.64, 172,133.28 and 76,939.95

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Solution

The fourth proportional to 124,769.64, 172,133.28 and 76,939.95 is: 106,147.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,769.64 : 172,133.28 = 76,939.95 : x
  2. Step 2: Convert to fraction form
    124,769.64/172,133.28 = 76,939.95/x
  3. Step 3: Cross multiply
    124,769.64x = 172,133.28 × 76,939.95
  4. Step 4: Simplify right side
    124,769.64x = 13,243,925,956.54
  5. Step 5: Solve for x
    x = 13,243,925,956.54/124,769.64
  6. Step 6: Final answer
    x = 106,147.02

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