Home / 166,630.74-229,741.83-139,074.96

Finding the Fourth Proportional to 166,630.74, 229,741.83 and 139,074.96

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Solution

The fourth proportional to 166,630.74, 229,741.83 and 139,074.96 is: 191,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,630.74 : 229,741.83 = 139,074.96 : x
  2. Step 2: Convert to fraction form
    166,630.74/229,741.83 = 139,074.96/x
  3. Step 3: Cross multiply
    166,630.74x = 229,741.83 × 139,074.96
  4. Step 4: Simplify right side
    166,630.74x = 31,951,335,817.58
  5. Step 5: Solve for x
    x = 31,951,335,817.58/166,630.74
  6. Step 6: Final answer
    x = 191,749.35

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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.