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Finding the Fourth Proportional to 105,592.72, 145,717.95 and 63,151.25

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Solution

The fourth proportional to 105,592.72, 145,717.95 and 63,151.25 is: 87,148.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,592.72 : 145,717.95 = 63,151.25 : x
  2. Step 2: Convert to fraction form
    105,592.72/145,717.95 = 63,151.25/x
  3. Step 3: Cross multiply
    105,592.72x = 145,717.95 × 63,151.25
  4. Step 4: Simplify right side
    105,592.72x = 9,202,270,689.94
  5. Step 5: Solve for x
    x = 9,202,270,689.94/105,592.72
  6. Step 6: Final answer
    x = 87,148.72

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