Home / 165,007.94-247,472.21-76,176.15

Finding the Fourth Proportional to 165,007.94, 247,472.21 and 76,176.15

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Solution

The fourth proportional to 165,007.94, 247,472.21 and 76,176.15 is: 114,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,007.94 : 247,472.21 = 76,176.15 : x
  2. Step 2: Convert to fraction form
    165,007.94/247,472.21 = 76,176.15/x
  3. Step 3: Cross multiply
    165,007.94x = 247,472.21 × 76,176.15
  4. Step 4: Simplify right side
    165,007.94x = 18,851,479,452.21
  5. Step 5: Solve for x
    x = 18,851,479,452.21/165,007.94
  6. Step 6: Final answer
    x = 114,245.90

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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.