Home / 120,785.58-181,106.82-36,520.20

Finding the Fourth Proportional to 120,785.58, 181,106.82 and 36,520.20

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Solution

The fourth proportional to 120,785.58, 181,106.82 and 36,520.20 is: 54,758.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,785.58 : 181,106.82 = 36,520.20 : x
  2. Step 2: Convert to fraction form
    120,785.58/181,106.82 = 36,520.20/x
  3. Step 3: Cross multiply
    120,785.58x = 181,106.82 × 36,520.20
  4. Step 4: Simplify right side
    120,785.58x = 6,614,057,287.76
  5. Step 5: Solve for x
    x = 6,614,057,287.76/120,785.58
  6. Step 6: Final answer
    x = 54,758.67

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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.