Home / 144,022.08-198,750.42-80,359.86

Finding the Fourth Proportional to 144,022.08, 198,750.42 and 80,359.86

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Solution

The fourth proportional to 144,022.08, 198,750.42 and 80,359.86 is: 110,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.08 : 198,750.42 = 80,359.86 : x
  2. Step 2: Convert to fraction form
    144,022.08/198,750.42 = 80,359.86/x
  3. Step 3: Cross multiply
    144,022.08x = 198,750.42 × 80,359.86
  4. Step 4: Simplify right side
    144,022.08x = 15,971,555,926.14
  5. Step 5: Solve for x
    x = 15,971,555,926.14/144,022.08
  6. Step 6: Final answer
    x = 110,896.58

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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.