Home / 239,848.50-331,029.81-139,304.82

Finding the Fourth Proportional to 239,848.50, 331,029.81 and 139,304.82

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Solution

The fourth proportional to 239,848.50, 331,029.81 and 139,304.82 is: 192,263.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,848.50 : 331,029.81 = 139,304.82 : x
  2. Step 2: Convert to fraction form
    239,848.50/331,029.81 = 139,304.82/x
  3. Step 3: Cross multiply
    239,848.50x = 331,029.81 × 139,304.82
  4. Step 4: Simplify right side
    239,848.50x = 46,114,048,096.68
  5. Step 5: Solve for x
    x = 46,114,048,096.68/239,848.50
  6. Step 6: Final answer
    x = 192,263.23

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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.