Home / 144,400.32-199,272.45-80,738.27

Finding the Fourth Proportional to 144,400.32, 199,272.45 and 80,738.27

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Solution

The fourth proportional to 144,400.32, 199,272.45 and 80,738.27 is: 111,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,400.32 : 199,272.45 = 80,738.27 : x
  2. Step 2: Convert to fraction form
    144,400.32/199,272.45 = 80,738.27/x
  3. Step 3: Cross multiply
    144,400.32x = 199,272.45 × 80,738.27
  4. Step 4: Simplify right side
    144,400.32x = 16,088,912,925.34
  5. Step 5: Solve for x
    x = 16,088,912,925.34/144,400.32
  6. Step 6: Final answer
    x = 111,418.82

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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.