Home / 215,037.25-296,796.57-136,404.35

Finding the Fourth Proportional to 215,037.25, 296,796.57 and 136,404.35

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Solution

The fourth proportional to 215,037.25, 296,796.57 and 136,404.35 is: 188,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,037.25 : 296,796.57 = 136,404.35 : x
  2. Step 2: Convert to fraction form
    215,037.25/296,796.57 = 136,404.35/x
  3. Step 3: Cross multiply
    215,037.25x = 296,796.57 × 136,404.35
  4. Step 4: Simplify right side
    215,037.25x = 40,484,344,000.05
  5. Step 5: Solve for x
    x = 40,484,344,000.05/215,037.25
  6. Step 6: Final answer
    x = 188,266.65

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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.