Home / 263,778.45-364,013.01-142,919.70

Finding the Fourth Proportional to 263,778.45, 364,013.01 and 142,919.70

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Solution

The fourth proportional to 263,778.45, 364,013.01 and 142,919.70 is: 197,228.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,778.45 : 364,013.01 = 142,919.70 : x
  2. Step 2: Convert to fraction form
    263,778.45/364,013.01 = 142,919.70/x
  3. Step 3: Cross multiply
    263,778.45x = 364,013.01 × 142,919.70
  4. Step 4: Simplify right side
    263,778.45x = 52,024,628,820.25
  5. Step 5: Solve for x
    x = 52,024,628,820.25/263,778.45
  6. Step 6: Final answer
    x = 197,228.51

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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.