Home / 187,662.51-258,974.13-101,621.46

Finding the Fourth Proportional to 187,662.51, 258,974.13 and 101,621.46

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Solution

The fourth proportional to 187,662.51, 258,974.13 and 101,621.46 is: 140,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,662.51 : 258,974.13 = 101,621.46 : x
  2. Step 2: Convert to fraction form
    187,662.51/258,974.13 = 101,621.46/x
  3. Step 3: Cross multiply
    187,662.51x = 258,974.13 × 101,621.46
  4. Step 4: Simplify right side
    187,662.51x = 26,317,329,192.83
  5. Step 5: Solve for x
    x = 26,317,329,192.83/187,662.51
  6. Step 6: Final answer
    x = 140,237.54

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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.