Home / 187,502.56-258,752.01-102,619.42

Finding the Fourth Proportional to 187,502.56, 258,752.01 and 102,619.42

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Solution

The fourth proportional to 187,502.56, 258,752.01 and 102,619.42 is: 141,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,502.56 : 258,752.01 = 102,619.42 : x
  2. Step 2: Convert to fraction form
    187,502.56/258,752.01 = 102,619.42/x
  3. Step 3: Cross multiply
    187,502.56x = 258,752.01 × 102,619.42
  4. Step 4: Simplify right side
    187,502.56x = 26,552,981,190.03
  5. Step 5: Solve for x
    x = 26,552,981,190.03/187,502.56
  6. Step 6: Final answer
    x = 141,613.97

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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.