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Finding the Fourth Proportional to 125,263, 172,953.66 and 80,628.76

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Solution

The fourth proportional to 125,263, 172,953.66 and 80,628.76 is: 111,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,263 : 172,953.66 = 80,628.76 : x
  2. Step 2: Convert to fraction form
    125,263/172,953.66 = 80,628.76/x
  3. Step 3: Cross multiply
    125,263x = 172,953.66 × 80,628.76
  4. Step 4: Simplify right side
    125,263x = 13,945,039,143.26
  5. Step 5: Solve for x
    x = 13,945,039,143.26/125,263
  6. Step 6: Final answer
    x = 111,326.08

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