Home / 120,851.40-181,206.18-36,586.20

Finding the Fourth Proportional to 120,851.40, 181,206.18 and 36,586.20

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Solution

The fourth proportional to 120,851.40, 181,206.18 and 36,586.20 is: 54,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,851.40 : 181,206.18 = 36,586.20 : x
  2. Step 2: Convert to fraction form
    120,851.40/181,206.18 = 36,586.20/x
  3. Step 3: Cross multiply
    120,851.40x = 181,206.18 × 36,586.20
  4. Step 4: Simplify right side
    120,851.40x = 6,629,645,542.72
  5. Step 5: Solve for x
    x = 6,629,645,542.72/120,851.40
  6. Step 6: Final answer
    x = 54,857.83

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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.