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Finding the Fourth Proportional to 166,486.78, 249,734.22 and 54,167.32

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Solution

The fourth proportional to 166,486.78, 249,734.22 and 54,167.32 is: 81,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,486.78 : 249,734.22 = 54,167.32 : x
  2. Step 2: Convert to fraction form
    166,486.78/249,734.22 = 54,167.32/x
  3. Step 3: Cross multiply
    166,486.78x = 249,734.22 × 54,167.32
  4. Step 4: Simplify right side
    166,486.78x = 13,527,433,409.69
  5. Step 5: Solve for x
    x = 13,527,433,409.69/166,486.78
  6. Step 6: Final answer
    x = 81,252.30

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Why These Related Problems?

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