Home / 258,677.44-356,967.55-143,954.25

Finding the Fourth Proportional to 258,677.44, 356,967.55 and 143,954.25

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Solution

The fourth proportional to 258,677.44, 356,967.55 and 143,954.25 is: 198,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,677.44 : 356,967.55 = 143,954.25 : x
  2. Step 2: Convert to fraction form
    258,677.44/356,967.55 = 143,954.25/x
  3. Step 3: Cross multiply
    258,677.44x = 356,967.55 × 143,954.25
  4. Step 4: Simplify right side
    258,677.44x = 51,386,994,775.90
  5. Step 5: Solve for x
    x = 51,386,994,775.90/258,677.44
  6. Step 6: Final answer
    x = 198,652.79

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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.