Home / 119,930.85-165,486.87-68,945.76

Finding the Fourth Proportional to 119,930.85, 165,486.87 and 68,945.76

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Solution

The fourth proportional to 119,930.85, 165,486.87 and 68,945.76 is: 95,134.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,930.85 : 165,486.87 = 68,945.76 : x
  2. Step 2: Convert to fraction form
    119,930.85/165,486.87 = 68,945.76/x
  3. Step 3: Cross multiply
    119,930.85x = 165,486.87 × 68,945.76
  4. Step 4: Simplify right side
    119,930.85x = 11,409,618,022.17
  5. Step 5: Solve for x
    x = 11,409,618,022.17/119,930.85
  6. Step 6: Final answer
    x = 95,134.97

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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.