Home / 159,625.12-220,273.81-91,637.61

Finding the Fourth Proportional to 159,625.12, 220,273.81 and 91,637.61

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Solution

The fourth proportional to 159,625.12, 220,273.81 and 91,637.61 is: 126,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,625.12 : 220,273.81 = 91,637.61 : x
  2. Step 2: Convert to fraction form
    159,625.12/220,273.81 = 91,637.61/x
  3. Step 3: Cross multiply
    159,625.12x = 220,273.81 × 91,637.61
  4. Step 4: Simplify right side
    159,625.12x = 20,185,365,493.99
  5. Step 5: Solve for x
    x = 20,185,365,493.99/159,625.12
  6. Step 6: Final answer
    x = 126,454.82

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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.