Home / 120,786.64-181,145.40-37,658.32

Finding the Fourth Proportional to 120,786.64, 181,145.40 and 37,658.32

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Solution

The fourth proportional to 120,786.64, 181,145.40 and 37,658.32 is: 56,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,786.64 : 181,145.40 = 37,658.32 : x
  2. Step 2: Convert to fraction form
    120,786.64/181,145.40 = 37,658.32/x
  3. Step 3: Cross multiply
    120,786.64x = 181,145.40 × 37,658.32
  4. Step 4: Simplify right side
    120,786.64x = 6,821,631,439.73
  5. Step 5: Solve for x
    x = 6,821,631,439.73/120,786.64
  6. Step 6: Final answer
    x = 56,476.71

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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.