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Finding the Fourth Proportional to 98,879.80, 148,368.30 and 46,280.20

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Solution

The fourth proportional to 98,879.80, 148,368.30 and 46,280.20 is: 69,443.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,879.80 : 148,368.30 = 46,280.20 : x
  2. Step 2: Convert to fraction form
    98,879.80/148,368.30 = 46,280.20/x
  3. Step 3: Cross multiply
    98,879.80x = 148,368.30 × 46,280.20
  4. Step 4: Simplify right side
    98,879.80x = 6,866,514,597.66
  5. Step 5: Solve for x
    x = 6,866,514,597.66/98,879.80
  6. Step 6: Final answer
    x = 69,443.05

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