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Finding the Fourth Proportional to 100,048.24, 138,109.08 and 62,341.12

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Solution

The fourth proportional to 100,048.24, 138,109.08 and 62,341.12 is: 86,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.24 : 138,109.08 = 62,341.12 : x
  2. Step 2: Convert to fraction form
    100,048.24/138,109.08 = 62,341.12/x
  3. Step 3: Cross multiply
    100,048.24x = 138,109.08 × 62,341.12
  4. Step 4: Simplify right side
    100,048.24x = 8,609,874,729.37
  5. Step 5: Solve for x
    x = 8,609,874,729.37/100,048.24
  6. Step 6: Final answer
    x = 86,057.23

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