Home / 254,860.82-351,716.95-140,148.21

Finding the Fourth Proportional to 254,860.82, 351,716.95 and 140,148.21

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Solution

The fourth proportional to 254,860.82, 351,716.95 and 140,148.21 is: 193,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,860.82 : 351,716.95 = 140,148.21 : x
  2. Step 2: Convert to fraction form
    254,860.82/351,716.95 = 140,148.21/x
  3. Step 3: Cross multiply
    254,860.82x = 351,716.95 × 140,148.21
  4. Step 4: Simplify right side
    254,860.82x = 49,292,500,969.16
  5. Step 5: Solve for x
    x = 49,292,500,969.16/254,860.82
  6. Step 6: Final answer
    x = 193,409.49

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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.