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Finding the Fourth Proportional to 124,813.80, 187,220.70 and 82,823.40

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Solution

The fourth proportional to 124,813.80, 187,220.70 and 82,823.40 is: 124,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,813.80 : 187,220.70 = 82,823.40 : x
  2. Step 2: Convert to fraction form
    124,813.80/187,220.70 = 82,823.40/x
  3. Step 3: Cross multiply
    124,813.80x = 187,220.70 × 82,823.40
  4. Step 4: Simplify right side
    124,813.80x = 15,506,254,924.38
  5. Step 5: Solve for x
    x = 15,506,254,924.38/124,813.80
  6. Step 6: Final answer
    x = 124,235.10

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