Home / 166,308.47-229,236.08-129,946.34

Finding the Fourth Proportional to 166,308.47, 229,236.08 and 129,946.34

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Solution

The fourth proportional to 166,308.47, 229,236.08 and 129,946.34 is: 179,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,308.47 : 229,236.08 = 129,946.34 : x
  2. Step 2: Convert to fraction form
    166,308.47/229,236.08 = 129,946.34/x
  3. Step 3: Cross multiply
    166,308.47x = 229,236.08 × 129,946.34
  4. Step 4: Simplify right side
    166,308.47x = 29,788,388,942.22
  5. Step 5: Solve for x
    x = 29,788,388,942.22/166,308.47
  6. Step 6: Final answer
    x = 179,115.28

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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.