Home / 138,376.08-190,766.52-116,954.64

Finding the Fourth Proportional to 138,376.08, 190,766.52 and 116,954.64

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Solution

The fourth proportional to 138,376.08, 190,766.52 and 116,954.64 is: 161,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,376.08 : 190,766.52 = 116,954.64 : x
  2. Step 2: Convert to fraction form
    138,376.08/190,766.52 = 116,954.64/x
  3. Step 3: Cross multiply
    138,376.08x = 190,766.52 × 116,954.64
  4. Step 4: Simplify right side
    138,376.08x = 22,311,029,670.65
  5. Step 5: Solve for x
    x = 22,311,029,670.65/138,376.08
  6. Step 6: Final answer
    x = 161,234.73

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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.