Home / 250,815.05-376,221.56-90,853.57

Finding the Fourth Proportional to 250,815.05, 376,221.56 and 90,853.57

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Solution

The fourth proportional to 250,815.05, 376,221.56 and 90,853.57 is: 136,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,815.05 : 376,221.56 = 90,853.57 : x
  2. Step 2: Convert to fraction form
    250,815.05/376,221.56 = 90,853.57/x
  3. Step 3: Cross multiply
    250,815.05x = 376,221.56 × 90,853.57
  4. Step 4: Simplify right side
    250,815.05x = 34,181,070,247.78
  5. Step 5: Solve for x
    x = 34,181,070,247.78/250,815.05
  6. Step 6: Final answer
    x = 136,279.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.