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Finding the Fourth Proportional to 112,042.90, 156,976.70 and 112,042.90

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Solution

The fourth proportional to 112,042.90, 156,976.70 and 112,042.90 is: 156,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.90 : 156,976.70 = 112,042.90 : x
  2. Step 2: Convert to fraction form
    112,042.90/156,976.70 = 112,042.90/x
  3. Step 3: Cross multiply
    112,042.90x = 156,976.70 × 112,042.90
  4. Step 4: Simplify right side
    112,042.90x = 17,588,124,700.43
  5. Step 5: Solve for x
    x = 17,588,124,700.43/112,042.90
  6. Step 6: Final answer
    x = 156,976.70

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