Home / 258,017.82-356,063.19-144,840.54

Finding the Fourth Proportional to 258,017.82, 356,063.19 and 144,840.54

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Solution

The fourth proportional to 258,017.82, 356,063.19 and 144,840.54 is: 199,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,017.82 : 356,063.19 = 144,840.54 : x
  2. Step 2: Convert to fraction form
    258,017.82/356,063.19 = 144,840.54/x
  3. Step 3: Cross multiply
    258,017.82x = 356,063.19 × 144,840.54
  4. Step 4: Simplify right side
    258,017.82x = 51,572,384,713.72
  5. Step 5: Solve for x
    x = 51,572,384,713.72/258,017.82
  6. Step 6: Final answer
    x = 199,879.16

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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.