Home / 144,444.56-199,341.24-80,778.56

Finding the Fourth Proportional to 144,444.56, 199,341.24 and 80,778.56

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Solution

The fourth proportional to 144,444.56, 199,341.24 and 80,778.56 is: 111,478.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,444.56 : 199,341.24 = 80,778.56 : x
  2. Step 2: Convert to fraction form
    144,444.56/199,341.24 = 80,778.56/x
  3. Step 3: Cross multiply
    144,444.56x = 199,341.24 × 80,778.56
  4. Step 4: Simplify right side
    144,444.56x = 16,102,498,315.81
  5. Step 5: Solve for x
    x = 16,102,498,315.81/144,444.56
  6. Step 6: Final answer
    x = 111,478.75

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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.