Home / 166,425.30-229,618.80-102,783.60

Finding the Fourth Proportional to 166,425.30, 229,618.80 and 102,783.60

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Solution

The fourth proportional to 166,425.30, 229,618.80 and 102,783.60 is: 141,811.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,425.30 : 229,618.80 = 102,783.60 : x
  2. Step 2: Convert to fraction form
    166,425.30/229,618.80 = 102,783.60/x
  3. Step 3: Cross multiply
    166,425.30x = 229,618.80 × 102,783.60
  4. Step 4: Simplify right side
    166,425.30x = 23,601,046,891.68
  5. Step 5: Solve for x
    x = 23,601,046,891.68/166,425.30
  6. Step 6: Final answer
    x = 141,811.65

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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.