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Finding the Fourth Proportional to 112,415.47, 155,133.36 and 62,114.47

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Solution

The fourth proportional to 112,415.47, 155,133.36 and 62,114.47 is: 85,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,415.47 : 155,133.36 = 62,114.47 : x
  2. Step 2: Convert to fraction form
    112,415.47/155,133.36 = 62,114.47/x
  3. Step 3: Cross multiply
    112,415.47x = 155,133.36 × 62,114.47
  4. Step 4: Simplify right side
    112,415.47x = 9,636,026,047.89
  5. Step 5: Solve for x
    x = 9,636,026,047.89/112,415.47
  6. Step 6: Final answer
    x = 85,717.97

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