Home / 254,856.89-351,703.82-140,142.87

Finding the Fourth Proportional to 254,856.89, 351,703.82 and 140,142.87

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Solution

The fourth proportional to 254,856.89, 351,703.82 and 140,142.87 is: 193,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,856.89 : 351,703.82 = 140,142.87 : x
  2. Step 2: Convert to fraction form
    254,856.89/351,703.82 = 140,142.87/x
  3. Step 3: Cross multiply
    254,856.89x = 351,703.82 × 140,142.87
  4. Step 4: Simplify right side
    254,856.89x = 49,288,782,724.76
  5. Step 5: Solve for x
    x = 49,288,782,724.76/254,856.89
  6. Step 6: Final answer
    x = 193,397.88

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1.5x scale

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.