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Finding the Fourth Proportional to 160,590.45, 221,718.81 and 103,255.52

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Solution

The fourth proportional to 160,590.45, 221,718.81 and 103,255.52 is: 142,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,590.45 : 221,718.81 = 103,255.52 : x
  2. Step 2: Convert to fraction form
    160,590.45/221,718.81 = 103,255.52/x
  3. Step 3: Cross multiply
    160,590.45x = 221,718.81 × 103,255.52
  4. Step 4: Simplify right side
    160,590.45x = 22,893,689,395.46
  5. Step 5: Solve for x
    x = 22,893,689,395.46/160,590.45
  6. Step 6: Final answer
    x = 142,559.47

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