Home / 131,808.35-181,896.03-71,379.02

Finding the Fourth Proportional to 131,808.35, 181,896.03 and 71,379.02

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Solution

The fourth proportional to 131,808.35, 181,896.03 and 71,379.02 is: 98,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808.35 : 181,896.03 = 71,379.02 : x
  2. Step 2: Convert to fraction form
    131,808.35/181,896.03 = 71,379.02/x
  3. Step 3: Cross multiply
    131,808.35x = 181,896.03 × 71,379.02
  4. Step 4: Simplify right side
    131,808.35x = 12,983,560,550.36
  5. Step 5: Solve for x
    x = 12,983,560,550.36/131,808.35
  6. Step 6: Final answer
    x = 98,503.32

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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.