Home / 187,268.82-258,411.06-110,790.78

Finding the Fourth Proportional to 187,268.82, 258,411.06 and 110,790.78

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Solution

The fourth proportional to 187,268.82, 258,411.06 and 110,790.78 is: 152,879.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,268.82 : 258,411.06 = 110,790.78 : x
  2. Step 2: Convert to fraction form
    187,268.82/258,411.06 = 110,790.78/x
  3. Step 3: Cross multiply
    187,268.82x = 258,411.06 × 110,790.78
  4. Step 4: Simplify right side
    187,268.82x = 28,629,562,898.03
  5. Step 5: Solve for x
    x = 28,629,562,898.03/187,268.82
  6. Step 6: Final answer
    x = 152,879.50

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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.