Home / 166,218.60-229,181.56-115,275.48

Finding the Fourth Proportional to 166,218.60, 229,181.56 and 115,275.48

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Solution

The fourth proportional to 166,218.60, 229,181.56 and 115,275.48 is: 158,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,218.60 : 229,181.56 = 115,275.48 : x
  2. Step 2: Convert to fraction form
    166,218.60/229,181.56 = 115,275.48/x
  3. Step 3: Cross multiply
    166,218.60x = 229,181.56 × 115,275.48
  4. Step 4: Simplify right side
    166,218.60x = 26,419,014,336.15
  5. Step 5: Solve for x
    x = 26,419,014,336.15/166,218.60
  6. Step 6: Final answer
    x = 158,941.38

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1.5x scale

Why These Related Problems?

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