Home / 187,504.56-258,754.77-102,621.42

Finding the Fourth Proportional to 187,504.56, 258,754.77 and 102,621.42

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Solution

The fourth proportional to 187,504.56, 258,754.77 and 102,621.42 is: 141,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,504.56 : 258,754.77 = 102,621.42 : x
  2. Step 2: Convert to fraction form
    187,504.56/258,754.77 = 102,621.42/x
  3. Step 3: Cross multiply
    187,504.56x = 258,754.77 × 102,621.42
  4. Step 4: Simplify right side
    187,504.56x = 26,553,781,929.17
  5. Step 5: Solve for x
    x = 26,553,781,929.17/187,504.56
  6. Step 6: Final answer
    x = 141,616.73

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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.