Home / 187,795.76-259,160.19-102,911

Finding the Fourth Proportional to 187,795.76, 259,160.19 and 102,911

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Solution

The fourth proportional to 187,795.76, 259,160.19 and 102,911 is: 142,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,795.76 : 259,160.19 = 102,911 : x
  2. Step 2: Convert to fraction form
    187,795.76/259,160.19 = 102,911/x
  3. Step 3: Cross multiply
    187,795.76x = 259,160.19 × 102,911
  4. Step 4: Simplify right side
    187,795.76x = 26,670,434,313.09
  5. Step 5: Solve for x
    x = 26,670,434,313.09/187,795.76
  6. Step 6: Final answer
    x = 142,018.30

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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.