Home / 120,426.14-180,648.56-36,179.73

Finding the Fourth Proportional to 120,426.14, 180,648.56 and 36,179.73

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Solution

The fourth proportional to 120,426.14, 180,648.56 and 36,179.73 is: 54,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,426.14 : 180,648.56 = 36,179.73 : x
  2. Step 2: Convert to fraction form
    120,426.14/180,648.56 = 36,179.73/x
  3. Step 3: Cross multiply
    120,426.14x = 180,648.56 × 36,179.73
  4. Step 4: Simplify right side
    120,426.14x = 6,535,816,216.14
  5. Step 5: Solve for x
    x = 6,535,816,216.14/120,426.14
  6. Step 6: Final answer
    x = 54,272.40

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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.