Home / 133,033.91-199,543.57-80,429.27

Finding the Fourth Proportional to 133,033.91, 199,543.57 and 80,429.27

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Solution

The fourth proportional to 133,033.91, 199,543.57 and 80,429.27 is: 120,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.91 : 199,543.57 = 80,429.27 : x
  2. Step 2: Convert to fraction form
    133,033.91/199,543.57 = 80,429.27/x
  3. Step 3: Cross multiply
    133,033.91x = 199,543.57 × 80,429.27
  4. Step 4: Simplify right side
    133,033.91x = 16,049,143,668.29
  5. Step 5: Solve for x
    x = 16,049,143,668.29/133,033.91
  6. Step 6: Final answer
    x = 120,639.49

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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.