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Finding the Fourth Proportional to 163,078.50, 225,048.74 and 95,142.18

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Solution

The fourth proportional to 163,078.50, 225,048.74 and 95,142.18 is: 131,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078.50 : 225,048.74 = 95,142.18 : x
  2. Step 2: Convert to fraction form
    163,078.50/225,048.74 = 95,142.18/x
  3. Step 3: Cross multiply
    163,078.50x = 225,048.74 × 95,142.18
  4. Step 4: Simplify right side
    163,078.50x = 21,411,627,729.85
  5. Step 5: Solve for x
    x = 21,411,627,729.85/163,078.50
  6. Step 6: Final answer
    x = 131,296.45

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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.