Home / 252,905.94-349,006.04-139,739.22

Finding the Fourth Proportional to 252,905.94, 349,006.04 and 139,739.22

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Solution

The fourth proportional to 252,905.94, 349,006.04 and 139,739.22 is: 192,837.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,905.94 : 349,006.04 = 139,739.22 : x
  2. Step 2: Convert to fraction form
    252,905.94/349,006.04 = 139,739.22/x
  3. Step 3: Cross multiply
    252,905.94x = 349,006.04 × 139,739.22
  4. Step 4: Simplify right side
    252,905.94x = 48,769,831,804.89
  5. Step 5: Solve for x
    x = 48,769,831,804.89/252,905.94
  6. Step 6: Final answer
    x = 192,837.83

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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.