Home / 120,217.26-180,382.60-53,651.46

Finding the Fourth Proportional to 120,217.26, 180,382.60 and 53,651.46

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Solution

The fourth proportional to 120,217.26, 180,382.60 and 53,651.46 is: 80,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,217.26 : 180,382.60 = 53,651.46 : x
  2. Step 2: Convert to fraction form
    120,217.26/180,382.60 = 53,651.46/x
  3. Step 3: Cross multiply
    120,217.26x = 180,382.60 × 53,651.46
  4. Step 4: Simplify right side
    120,217.26x = 9,677,789,848.60
  5. Step 5: Solve for x
    x = 9,677,789,848.60/120,217.26
  6. Step 6: Final answer
    x = 80,502.50

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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.