Home / 187,487.07-258,731.99-105,832.52

Finding the Fourth Proportional to 187,487.07, 258,731.99 and 105,832.52

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Solution

The fourth proportional to 187,487.07, 258,731.99 and 105,832.52 is: 146,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,487.07 : 258,731.99 = 105,832.52 : x
  2. Step 2: Convert to fraction form
    187,487.07/258,731.99 = 105,832.52/x
  3. Step 3: Cross multiply
    187,487.07x = 258,731.99 × 105,832.52
  4. Step 4: Simplify right side
    187,487.07x = 27,382,258,506.31
  5. Step 5: Solve for x
    x = 27,382,258,506.31/187,487.07
  6. Step 6: Final answer
    x = 146,048.78

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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.