Home / 119,396.72-164,749.20-69,086

Finding the Fourth Proportional to 119,396.72, 164,749.20 and 69,086

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Solution

The fourth proportional to 119,396.72, 164,749.20 and 69,086 is: 95,328.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,396.72 : 164,749.20 = 69,086 : x
  2. Step 2: Convert to fraction form
    119,396.72/164,749.20 = 69,086/x
  3. Step 3: Cross multiply
    119,396.72x = 164,749.20 × 69,086
  4. Step 4: Simplify right side
    119,396.72x = 11,381,863,231.20
  5. Step 5: Solve for x
    x = 11,381,863,231.20/119,396.72
  6. Step 6: Final answer
    x = 95,328.11

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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.