Home / 131,351.03-181,121.08-88,835.75

Finding the Fourth Proportional to 131,351.03, 181,121.08 and 88,835.75

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Solution

The fourth proportional to 131,351.03, 181,121.08 and 88,835.75 is: 122,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.03 : 181,121.08 = 88,835.75 : x
  2. Step 2: Convert to fraction form
    131,351.03/181,121.08 = 88,835.75/x
  3. Step 3: Cross multiply
    131,351.03x = 181,121.08 × 88,835.75
  4. Step 4: Simplify right side
    131,351.03x = 16,090,025,632.83
  5. Step 5: Solve for x
    x = 16,090,025,632.83/131,351.03
  6. Step 6: Final answer
    x = 122,496.38

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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.