Home / 119,245.72-164,539.74-68,935

Finding the Fourth Proportional to 119,245.72, 164,539.74 and 68,935

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Solution

The fourth proportional to 119,245.72, 164,539.74 and 68,935 is: 95,119.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,245.72 : 164,539.74 = 68,935 : x
  2. Step 2: Convert to fraction form
    119,245.72/164,539.74 = 68,935/x
  3. Step 3: Cross multiply
    119,245.72x = 164,539.74 × 68,935
  4. Step 4: Simplify right side
    119,245.72x = 11,342,546,976.90
  5. Step 5: Solve for x
    x = 11,342,546,976.90/119,245.72
  6. Step 6: Final answer
    x = 95,119.11

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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.