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Finding the Fourth Proportional to 166,131.20, 249,196.80 and 163,215.20

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Solution

The fourth proportional to 166,131.20, 249,196.80 and 163,215.20 is: 244,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,131.20 : 249,196.80 = 163,215.20 : x
  2. Step 2: Convert to fraction form
    166,131.20/249,196.80 = 163,215.20/x
  3. Step 3: Cross multiply
    166,131.20x = 249,196.80 × 163,215.20
  4. Step 4: Simplify right side
    166,131.20x = 40,672,705,551.36
  5. Step 5: Solve for x
    x = 40,672,705,551.36/166,131.20
  6. Step 6: Final answer
    x = 244,822.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.