Home / 239,994.43-331,188.95-131,097.47

Finding the Fourth Proportional to 239,994.43, 331,188.95 and 131,097.47

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Solution

The fourth proportional to 239,994.43, 331,188.95 and 131,097.47 is: 180,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,994.43 : 331,188.95 = 131,097.47 : x
  2. Step 2: Convert to fraction form
    239,994.43/331,188.95 = 131,097.47/x
  3. Step 3: Cross multiply
    239,994.43x = 331,188.95 × 131,097.47
  4. Step 4: Simplify right side
    239,994.43x = 43,418,035,368.90
  5. Step 5: Solve for x
    x = 43,418,035,368.90/239,994.43
  6. Step 6: Final answer
    x = 180,912.68

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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.