Home / 187,350.72-258,544-102,467.78

Finding the Fourth Proportional to 187,350.72, 258,544 and 102,467.78

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Solution

The fourth proportional to 187,350.72, 258,544 and 102,467.78 is: 141,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,350.72 : 258,544 = 102,467.78 : x
  2. Step 2: Convert to fraction form
    187,350.72/258,544 = 102,467.78/x
  3. Step 3: Cross multiply
    187,350.72x = 258,544 × 102,467.78
  4. Step 4: Simplify right side
    187,350.72x = 26,492,429,712.32
  5. Step 5: Solve for x
    x = 26,492,429,712.32/187,350.72
  6. Step 6: Final answer
    x = 141,405.54

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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.