Home / 119,396.23-164,751.79-80,718.16

Finding the Fourth Proportional to 119,396.23, 164,751.79 and 80,718.16

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Solution

The fourth proportional to 119,396.23, 164,751.79 and 80,718.16 is: 111,380.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,396.23 : 164,751.79 = 80,718.16 : x
  2. Step 2: Convert to fraction form
    119,396.23/164,751.79 = 80,718.16/x
  3. Step 3: Cross multiply
    119,396.23x = 164,751.79 × 80,718.16
  4. Step 4: Simplify right side
    119,396.23x = 13,298,460,619.88
  5. Step 5: Solve for x
    x = 13,298,460,619.88/119,396.23
  6. Step 6: Final answer
    x = 111,380.91

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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.