Home / 143,416.08-215,123.28-36,799.44

Finding the Fourth Proportional to 143,416.08, 215,123.28 and 36,799.44

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Solution

The fourth proportional to 143,416.08, 215,123.28 and 36,799.44 is: 55,198.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,416.08 : 215,123.28 = 36,799.44 : x
  2. Step 2: Convert to fraction form
    143,416.08/215,123.28 = 36,799.44/x
  3. Step 3: Cross multiply
    143,416.08x = 215,123.28 × 36,799.44
  4. Step 4: Simplify right side
    143,416.08x = 7,916,416,234.96
  5. Step 5: Solve for x
    x = 7,916,416,234.96/143,416.08
  6. Step 6: Final answer
    x = 55,198.94

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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.