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Finding the Fourth Proportional to 115,060.92, 172,632.94 and 40,192.12

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Solution

The fourth proportional to 115,060.92, 172,632.94 and 40,192.12 is: 60,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,060.92 : 172,632.94 = 40,192.12 : x
  2. Step 2: Convert to fraction form
    115,060.92/172,632.94 = 40,192.12/x
  3. Step 3: Cross multiply
    115,060.92x = 172,632.94 × 40,192.12
  4. Step 4: Simplify right side
    115,060.92x = 6,938,483,840.43
  5. Step 5: Solve for x
    x = 6,938,483,840.43/115,060.92
  6. Step 6: Final answer
    x = 60,302.70

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