Home / 239,420.94-330,403.44-131,994.82

Finding the Fourth Proportional to 239,420.94, 330,403.44 and 131,994.82

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Solution

The fourth proportional to 239,420.94, 330,403.44 and 131,994.82 is: 182,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,420.94 : 330,403.44 = 131,994.82 : x
  2. Step 2: Convert to fraction form
    239,420.94/330,403.44 = 131,994.82/x
  3. Step 3: Cross multiply
    239,420.94x = 330,403.44 × 131,994.82
  4. Step 4: Simplify right side
    239,420.94x = 43,611,542,590.18
  5. Step 5: Solve for x
    x = 43,611,542,590.18/239,420.94
  6. Step 6: Final answer
    x = 182,154.25

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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.