Home / 187,383.62-258,589.38-102,502.50

Finding the Fourth Proportional to 187,383.62, 258,589.38 and 102,502.50

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Solution

The fourth proportional to 187,383.62, 258,589.38 and 102,502.50 is: 141,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,383.62 : 258,589.38 = 102,502.50 : x
  2. Step 2: Convert to fraction form
    187,383.62/258,589.38 = 102,502.50/x
  3. Step 3: Cross multiply
    187,383.62x = 258,589.38 × 102,502.50
  4. Step 4: Simplify right side
    187,383.62x = 26,506,057,923.45
  5. Step 5: Solve for x
    x = 26,506,057,923.45/187,383.62
  6. Step 6: Final answer
    x = 141,453.45

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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.