Home / 173,550.96-260,414.07-78,720.71

Finding the Fourth Proportional to 173,550.96, 260,414.07 and 78,720.71

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Solution

The fourth proportional to 173,550.96, 260,414.07 and 78,720.71 is: 118,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,550.96 : 260,414.07 = 78,720.71 : x
  2. Step 2: Convert to fraction form
    173,550.96/260,414.07 = 78,720.71/x
  3. Step 3: Cross multiply
    173,550.96x = 260,414.07 × 78,720.71
  4. Step 4: Simplify right side
    173,550.96x = 20,499,980,484.39
  5. Step 5: Solve for x
    x = 20,499,980,484.39/173,550.96
  6. Step 6: Final answer
    x = 118,120.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.