Home / 187,256.64-258,408.72-102,371.88

Finding the Fourth Proportional to 187,256.64, 258,408.72 and 102,371.88

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Solution

The fourth proportional to 187,256.64, 258,408.72 and 102,371.88 is: 141,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,256.64 : 258,408.72 = 102,371.88 : x
  2. Step 2: Convert to fraction form
    187,256.64/258,408.72 = 102,371.88/x
  3. Step 3: Cross multiply
    187,256.64x = 258,408.72 × 102,371.88
  4. Step 4: Simplify right side
    187,256.64x = 26,453,786,474.79
  5. Step 5: Solve for x
    x = 26,453,786,474.79/187,256.64
  6. Step 6: Final answer
    x = 141,270.22

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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.