Home / 131,316.00-181,213.61-80,324.98

Finding the Fourth Proportional to 131,316.00, 181,213.61 and 80,324.98

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Solution

The fourth proportional to 131,316.00, 181,213.61 and 80,324.98 is: 110,846.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,316.00 : 181,213.61 = 80,324.98 : x
  2. Step 2: Convert to fraction form
    131,316.00/181,213.61 = 80,324.98/x
  3. Step 3: Cross multiply
    131,316.00x = 181,213.61 × 80,324.98
  4. Step 4: Simplify right side
    131,316.00x = 14,555,979,763.65
  5. Step 5: Solve for x
    x = 14,555,979,763.65/131,316.00
  6. Step 6: Final answer
    x = 110,846.96

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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.