Home / 254,839.57-351,671.12-140,118.36

Finding the Fourth Proportional to 254,839.57, 351,671.12 and 140,118.36

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Solution

The fourth proportional to 254,839.57, 351,671.12 and 140,118.36 is: 193,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,839.57 : 351,671.12 = 140,118.36 : x
  2. Step 2: Convert to fraction form
    254,839.57/351,671.12 = 140,118.36/x
  3. Step 3: Cross multiply
    254,839.57x = 351,671.12 × 140,118.36
  4. Step 4: Simplify right side
    254,839.57x = 49,275,579,099.85
  5. Step 5: Solve for x
    x = 49,275,579,099.85/254,839.57
  6. Step 6: Final answer
    x = 193,359.22

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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.