Home / 144,281.92-199,105.23-80,620.24

Finding the Fourth Proportional to 144,281.92, 199,105.23 and 80,620.24

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Solution

The fourth proportional to 144,281.92, 199,105.23 and 80,620.24 is: 111,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,281.92 : 199,105.23 = 80,620.24 : x
  2. Step 2: Convert to fraction form
    144,281.92/199,105.23 = 80,620.24/x
  3. Step 3: Cross multiply
    144,281.92x = 199,105.23 × 80,620.24
  4. Step 4: Simplify right side
    144,281.92x = 16,051,911,427.86
  5. Step 5: Solve for x
    x = 16,051,911,427.86/144,281.92
  6. Step 6: Final answer
    x = 111,253.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.