Home / 119,834.62-165,372.36-66,119.67

Finding the Fourth Proportional to 119,834.62, 165,372.36 and 66,119.67

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Solution

The fourth proportional to 119,834.62, 165,372.36 and 66,119.67 is: 91,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,834.62 : 165,372.36 = 66,119.67 : x
  2. Step 2: Convert to fraction form
    119,834.62/165,372.36 = 66,119.67/x
  3. Step 3: Cross multiply
    119,834.62x = 165,372.36 × 66,119.67
  4. Step 4: Simplify right side
    119,834.62x = 10,934,365,870.32
  5. Step 5: Solve for x
    x = 10,934,365,870.32/119,834.62
  6. Step 6: Final answer
    x = 91,245.47

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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.