Home / 131,608.44-181,619.08-71,179.16

Finding the Fourth Proportional to 131,608.44, 181,619.08 and 71,179.16

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Solution

The fourth proportional to 131,608.44, 181,619.08 and 71,179.16 is: 98,226.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,608.44 : 181,619.08 = 71,179.16 : x
  2. Step 2: Convert to fraction form
    131,608.44/181,619.08 = 71,179.16/x
  3. Step 3: Cross multiply
    131,608.44x = 181,619.08 × 71,179.16
  4. Step 4: Simplify right side
    131,608.44x = 12,927,493,554.37
  5. Step 5: Solve for x
    x = 12,927,493,554.37/131,608.44
  6. Step 6: Final answer
    x = 98,226.93

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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.