Home / 187,213.20-258,357.96-102,333.84

Finding the Fourth Proportional to 187,213.20, 258,357.96 and 102,333.84

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Solution

The fourth proportional to 187,213.20, 258,357.96 and 102,333.84 is: 141,222.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,213.20 : 258,357.96 = 102,333.84 : x
  2. Step 2: Convert to fraction form
    187,213.20/258,357.96 = 102,333.84/x
  3. Step 3: Cross multiply
    187,213.20x = 258,357.96 × 102,333.84
  4. Step 4: Simplify right side
    187,213.20x = 26,438,762,141.37
  5. Step 5: Solve for x
    x = 26,438,762,141.37/187,213.20
  6. Step 6: Final answer
    x = 141,222.75

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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.