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Finding the Fourth Proportional to 119,440.80, 178,988.40 and 52,826.40

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Solution

The fourth proportional to 119,440.80, 178,988.40 and 52,826.40 is: 79,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,440.80 : 178,988.40 = 52,826.40 : x
  2. Step 2: Convert to fraction form
    119,440.80/178,988.40 = 52,826.40/x
  3. Step 3: Cross multiply
    119,440.80x = 178,988.40 × 52,826.40
  4. Step 4: Simplify right side
    119,440.80x = 9,455,312,813.76
  5. Step 5: Solve for x
    x = 9,455,312,813.76/119,440.80
  6. Step 6: Final answer
    x = 79,163.17

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