Home / 187,581.51-258,860.88-101,540.07

Finding the Fourth Proportional to 187,581.51, 258,860.88 and 101,540.07

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Solution

The fourth proportional to 187,581.51, 258,860.88 and 101,540.07 is: 140,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,581.51 : 258,860.88 = 101,540.07 : x
  2. Step 2: Convert to fraction form
    187,581.51/258,860.88 = 101,540.07/x
  3. Step 3: Cross multiply
    187,581.51x = 258,860.88 × 101,540.07
  4. Step 4: Simplify right side
    187,581.51x = 26,284,751,875.46
  5. Step 5: Solve for x
    x = 26,284,751,875.46/187,581.51
  6. Step 6: Final answer
    x = 140,124.43

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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.