Home / 253,056.36-349,204.14-139,872.36

Finding the Fourth Proportional to 253,056.36, 349,204.14 and 139,872.36

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Solution

The fourth proportional to 253,056.36, 349,204.14 and 139,872.36 is: 193,016.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,056.36 : 349,204.14 = 139,872.36 : x
  2. Step 2: Convert to fraction form
    253,056.36/349,204.14 = 139,872.36/x
  3. Step 3: Cross multiply
    253,056.36x = 349,204.14 × 139,872.36
  4. Step 4: Simplify right side
    253,056.36x = 48,844,007,183.57
  5. Step 5: Solve for x
    x = 48,844,007,183.57/253,056.36
  6. Step 6: Final answer
    x = 193,016.32

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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.