Home / 254,856.96-351,706.86-140,140.58

Finding the Fourth Proportional to 254,856.96, 351,706.86 and 140,140.58

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Solution

The fourth proportional to 254,856.96, 351,706.86 and 140,140.58 is: 193,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,856.96 : 351,706.86 = 140,140.58 : x
  2. Step 2: Convert to fraction form
    254,856.96/351,706.86 = 140,140.58/x
  3. Step 3: Cross multiply
    254,856.96x = 351,706.86 × 140,140.58
  4. Step 4: Simplify right side
    254,856.96x = 49,288,401,591.84
  5. Step 5: Solve for x
    x = 49,288,401,591.84/254,856.96
  6. Step 6: Final answer
    x = 193,396.33

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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.