Home / 254,665.37-351,444.57-139,951.65

Finding the Fourth Proportional to 254,665.37, 351,444.57 and 139,951.65

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Solution

The fourth proportional to 254,665.37, 351,444.57 and 139,951.65 is: 193,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,665.37 : 351,444.57 = 139,951.65 : x
  2. Step 2: Convert to fraction form
    254,665.37/351,444.57 = 139,951.65/x
  3. Step 3: Cross multiply
    254,665.37x = 351,444.57 × 139,951.65
  4. Step 4: Simplify right side
    254,665.37x = 49,185,247,058.49
  5. Step 5: Solve for x
    x = 49,185,247,058.49/254,665.37
  6. Step 6: Final answer
    x = 193,136.77

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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.