Home / 144,440.27-199,326.89-80,778.32

Finding the Fourth Proportional to 144,440.27, 199,326.89 and 80,778.32

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Solution

The fourth proportional to 144,440.27, 199,326.89 and 80,778.32 is: 111,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440.27 : 199,326.89 = 80,778.32 : x
  2. Step 2: Convert to fraction form
    144,440.27/199,326.89 = 80,778.32/x
  3. Step 3: Cross multiply
    144,440.27x = 199,326.89 × 80,778.32
  4. Step 4: Simplify right side
    144,440.27x = 16,101,291,305.02
  5. Step 5: Solve for x
    x = 16,101,291,305.02/144,440.27
  6. Step 6: Final answer
    x = 111,473.70

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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.