Home / 159,028.86-219,474.96-91,051.20

Finding the Fourth Proportional to 159,028.86, 219,474.96 and 91,051.20

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Solution

The fourth proportional to 159,028.86, 219,474.96 and 91,051.20 is: 125,659.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,028.86 : 219,474.96 = 91,051.20 : x
  2. Step 2: Convert to fraction form
    159,028.86/219,474.96 = 91,051.20/x
  3. Step 3: Cross multiply
    159,028.86x = 219,474.96 × 91,051.20
  4. Step 4: Simplify right side
    159,028.86x = 19,983,458,477.95
  5. Step 5: Solve for x
    x = 19,983,458,477.95/159,028.86
  6. Step 6: Final answer
    x = 125,659.32

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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.