Home / 131,596.97-181,390.54-102,865.87

Finding the Fourth Proportional to 131,596.97, 181,390.54 and 102,865.87

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Solution

The fourth proportional to 131,596.97, 181,390.54 and 102,865.87 is: 141,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,596.97 : 181,390.54 = 102,865.87 : x
  2. Step 2: Convert to fraction form
    131,596.97/181,390.54 = 102,865.87/x
  3. Step 3: Cross multiply
    131,596.97x = 181,390.54 × 102,865.87
  4. Step 4: Simplify right side
    131,596.97x = 18,658,895,706.87
  5. Step 5: Solve for x
    x = 18,658,895,706.87/131,596.97
  6. Step 6: Final answer
    x = 141,788.19

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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.