Home / 187,487.12-258,732.05-105,832.56

Finding the Fourth Proportional to 187,487.12, 258,732.05 and 105,832.56

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Solution

The fourth proportional to 187,487.12, 258,732.05 and 105,832.56 is: 146,048.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,487.12 : 258,732.05 = 105,832.56 : x
  2. Step 2: Convert to fraction form
    187,487.12/258,732.05 = 105,832.56/x
  3. Step 3: Cross multiply
    187,487.12x = 258,732.05 × 105,832.56
  4. Step 4: Simplify right side
    187,487.12x = 27,382,274,676.39
  5. Step 5: Solve for x
    x = 27,382,274,676.39/187,487.12
  6. Step 6: Final answer
    x = 146,048.83

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1.5x scale

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.