Home / 144,187.44-198,979.08-80,527.64

Finding the Fourth Proportional to 144,187.44, 198,979.08 and 80,527.64

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Solution

The fourth proportional to 144,187.44, 198,979.08 and 80,527.64 is: 111,128.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,187.44 : 198,979.08 = 80,527.64 : x
  2. Step 2: Convert to fraction form
    144,187.44/198,979.08 = 80,527.64/x
  3. Step 3: Cross multiply
    144,187.44x = 198,979.08 × 80,527.64
  4. Step 4: Simplify right side
    144,187.44x = 16,023,315,721.77
  5. Step 5: Solve for x
    x = 16,023,315,721.77/144,187.44
  6. Step 6: Final answer
    x = 111,128.37

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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.