Home / 96,674.86-145,012.30-30,120.35

Finding the Fourth Proportional to 96,674.86, 145,012.30 and 30,120.35

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Solution

The fourth proportional to 96,674.86, 145,012.30 and 30,120.35 is: 45,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,674.86 : 145,012.30 = 30,120.35 : x
  2. Step 2: Convert to fraction form
    96,674.86/145,012.30 = 30,120.35/x
  3. Step 3: Cross multiply
    96,674.86x = 145,012.30 × 30,120.35
  4. Step 4: Simplify right side
    96,674.86x = 4,367,821,079.70
  5. Step 5: Solve for x
    x = 4,367,821,079.70/96,674.86
  6. Step 6: Final answer
    x = 45,180.53

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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.