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Finding the Fourth Proportional to 124,514.70, 186,820.65 and 45,636.90

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Solution

The fourth proportional to 124,514.70, 186,820.65 and 45,636.90 is: 68,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,514.70 : 186,820.65 = 45,636.90 : x
  2. Step 2: Convert to fraction form
    124,514.70/186,820.65 = 45,636.90/x
  3. Step 3: Cross multiply
    124,514.70x = 186,820.65 × 45,636.90
  4. Step 4: Simplify right side
    124,514.70x = 8,525,915,321.99
  5. Step 5: Solve for x
    x = 8,525,915,321.99/124,514.70
  6. Step 6: Final answer
    x = 68,473.16

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