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Finding the Fourth Proportional to 114,020.10, 171,030.15 and 72,029.70

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Solution

The fourth proportional to 114,020.10, 171,030.15 and 72,029.70 is: 108,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.10 : 171,030.15 = 72,029.70 : x
  2. Step 2: Convert to fraction form
    114,020.10/171,030.15 = 72,029.70/x
  3. Step 3: Cross multiply
    114,020.10x = 171,030.15 × 72,029.70
  4. Step 4: Simplify right side
    114,020.10x = 12,319,250,395.46
  5. Step 5: Solve for x
    x = 12,319,250,395.46/114,020.10
  6. Step 6: Final answer
    x = 108,044.55

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