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Finding the Fourth Proportional to 111,129.66, 153,320.85 and 63,348.48

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Solution

The fourth proportional to 111,129.66, 153,320.85 and 63,348.48 is: 87,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,129.66 : 153,320.85 = 63,348.48 : x
  2. Step 2: Convert to fraction form
    111,129.66/153,320.85 = 63,348.48/x
  3. Step 3: Cross multiply
    111,129.66x = 153,320.85 × 63,348.48
  4. Step 4: Simplify right side
    111,129.66x = 9,712,642,799.81
  5. Step 5: Solve for x
    x = 9,712,642,799.81/111,129.66
  6. Step 6: Final answer
    x = 87,399.19

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