Home / 187,950.34-259,369.05-107,377.21

Finding the Fourth Proportional to 187,950.34, 259,369.05 and 107,377.21

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Solution

The fourth proportional to 187,950.34, 259,369.05 and 107,377.21 is: 148,179.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,950.34 : 259,369.05 = 107,377.21 : x
  2. Step 2: Convert to fraction form
    187,950.34/259,369.05 = 107,377.21/x
  3. Step 3: Cross multiply
    187,950.34x = 259,369.05 × 107,377.21
  4. Step 4: Simplify right side
    187,950.34x = 27,850,324,949.35
  5. Step 5: Solve for x
    x = 27,850,324,949.35/187,950.34
  6. Step 6: Final answer
    x = 148,179.17

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1.5x scale

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.