Home / 187,150.56-258,268-102,267.68

Finding the Fourth Proportional to 187,150.56, 258,268 and 102,267.68

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Solution

The fourth proportional to 187,150.56, 258,268 and 102,267.68 is: 141,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,150.56 : 258,268 = 102,267.68 : x
  2. Step 2: Convert to fraction form
    187,150.56/258,268 = 102,267.68/x
  3. Step 3: Cross multiply
    187,150.56x = 258,268 × 102,267.68
  4. Step 4: Simplify right side
    187,150.56x = 26,412,469,178.24
  5. Step 5: Solve for x
    x = 26,412,469,178.24/187,150.56
  6. Step 6: Final answer
    x = 141,129.52

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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.