Home / 254,651.12-351,418.44-139,937.15

Finding the Fourth Proportional to 254,651.12, 351,418.44 and 139,937.15

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Solution

The fourth proportional to 254,651.12, 351,418.44 and 139,937.15 is: 193,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,651.12 : 351,418.44 = 139,937.15 : x
  2. Step 2: Convert to fraction form
    254,651.12/351,418.44 = 139,937.15/x
  3. Step 3: Cross multiply
    254,651.12x = 351,418.44 × 139,937.15
  4. Step 4: Simplify right side
    254,651.12x = 49,176,494,951.05
  5. Step 5: Solve for x
    x = 49,176,494,951.05/254,651.12
  6. Step 6: Final answer
    x = 193,113.21

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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.