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Finding the Fourth Proportional to 118,400.92, 163,423.07 and 76,033.27

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Solution

The fourth proportional to 118,400.92, 163,423.07 and 76,033.27 is: 104,945.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,400.92 : 163,423.07 = 76,033.27 : x
  2. Step 2: Convert to fraction form
    118,400.92/163,423.07 = 76,033.27/x
  3. Step 3: Cross multiply
    118,400.92x = 163,423.07 × 76,033.27
  4. Step 4: Simplify right side
    118,400.92x = 12,425,590,405.54
  5. Step 5: Solve for x
    x = 12,425,590,405.54/118,400.92
  6. Step 6: Final answer
    x = 104,945.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.