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Finding the Fourth Proportional to 72,166.80, 108,250.20 and 48,547.20

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Solution

The fourth proportional to 72,166.80, 108,250.20 and 48,547.20 is: 72,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,166.80 : 108,250.20 = 48,547.20 : x
  2. Step 2: Convert to fraction form
    72,166.80/108,250.20 = 48,547.20/x
  3. Step 3: Cross multiply
    72,166.80x = 108,250.20 × 48,547.20
  4. Step 4: Simplify right side
    72,166.80x = 5,255,244,109.44
  5. Step 5: Solve for x
    x = 5,255,244,109.44/72,166.80
  6. Step 6: Final answer
    x = 72,820.80

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