Home / 187,675.88-258,997.74-105,997.58

Finding the Fourth Proportional to 187,675.88, 258,997.74 and 105,997.58

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Solution

The fourth proportional to 187,675.88, 258,997.74 and 105,997.58 is: 146,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,675.88 : 258,997.74 = 105,997.58 : x
  2. Step 2: Convert to fraction form
    187,675.88/258,997.74 = 105,997.58/x
  3. Step 3: Cross multiply
    187,675.88x = 258,997.74 × 105,997.58
  4. Step 4: Simplify right side
    187,675.88x = 27,453,132,370.48
  5. Step 5: Solve for x
    x = 27,453,132,370.48/187,675.88
  6. Step 6: Final answer
    x = 146,279.50

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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.