Home / 131,795.75-181,910.94-75,239.93

Finding the Fourth Proportional to 131,795.75, 181,910.94 and 75,239.93

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Solution

The fourth proportional to 131,795.75, 181,910.94 and 75,239.93 is: 103,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,795.75 : 181,910.94 = 75,239.93 : x
  2. Step 2: Convert to fraction form
    131,795.75/181,910.94 = 75,239.93/x
  3. Step 3: Cross multiply
    131,795.75x = 181,910.94 × 75,239.93
  4. Step 4: Simplify right side
    131,795.75x = 13,686,966,391.83
  5. Step 5: Solve for x
    x = 13,686,966,391.83/131,795.75
  6. Step 6: Final answer
    x = 103,849.83

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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.