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Finding the Fourth Proportional to 99,463.91, 137,263.29 and 54,144.91

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Solution

The fourth proportional to 99,463.91, 137,263.29 and 54,144.91 is: 74,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,463.91 : 137,263.29 = 54,144.91 : x
  2. Step 2: Convert to fraction form
    99,463.91/137,263.29 = 54,144.91/x
  3. Step 3: Cross multiply
    99,463.91x = 137,263.29 × 54,144.91
  4. Step 4: Simplify right side
    99,463.91x = 7,432,108,483.35
  5. Step 5: Solve for x
    x = 7,432,108,483.35/99,463.91
  6. Step 6: Final answer
    x = 74,721.66

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