Home / 119,834.74-165,372.53-66,119.79

Finding the Fourth Proportional to 119,834.74, 165,372.53 and 66,119.79

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Solution

The fourth proportional to 119,834.74, 165,372.53 and 66,119.79 is: 91,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,834.74 : 165,372.53 = 66,119.79 : x
  2. Step 2: Convert to fraction form
    119,834.74/165,372.53 = 66,119.79/x
  3. Step 3: Cross multiply
    119,834.74x = 165,372.53 × 66,119.79
  4. Step 4: Simplify right side
    119,834.74x = 10,934,396,955.37
  5. Step 5: Solve for x
    x = 10,934,396,955.37/119,834.74
  6. Step 6: Final answer
    x = 91,245.64

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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.