Home / 239,871.04-331,035-132,440.74

Finding the Fourth Proportional to 239,871.04, 331,035 and 132,440.74

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Solution

The fourth proportional to 239,871.04, 331,035 and 132,440.74 is: 182,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,871.04 : 331,035 = 132,440.74 : x
  2. Step 2: Convert to fraction form
    239,871.04/331,035 = 132,440.74/x
  3. Step 3: Cross multiply
    239,871.04x = 331,035 × 132,440.74
  4. Step 4: Simplify right side
    239,871.04x = 43,842,520,365.90
  5. Step 5: Solve for x
    x = 43,842,520,365.90/239,871.04
  6. Step 6: Final answer
    x = 182,775.38

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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.