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Finding the Fourth Proportional to 163,944, 245,911.68 and 45,610.56

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Solution

The fourth proportional to 163,944, 245,911.68 and 45,610.56 is: 68,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,944 : 245,911.68 = 45,610.56 : x
  2. Step 2: Convert to fraction form
    163,944/245,911.68 = 45,610.56/x
  3. Step 3: Cross multiply
    163,944x = 245,911.68 × 45,610.56
  4. Step 4: Simplify right side
    163,944x = 11,216,169,435.34
  5. Step 5: Solve for x
    x = 11,216,169,435.34/163,944
  6. Step 6: Final answer
    x = 68,414.64

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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.