Home / 80,194.28-120,051.75-48,508.45

Finding the Fourth Proportional to 80,194.28, 120,051.75 and 48,508.45

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Solution

The fourth proportional to 80,194.28, 120,051.75 and 48,508.45 is: 72,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,194.28 : 120,051.75 = 48,508.45 : x
  2. Step 2: Convert to fraction form
    80,194.28/120,051.75 = 48,508.45/x
  3. Step 3: Cross multiply
    80,194.28x = 120,051.75 × 48,508.45
  4. Step 4: Simplify right side
    80,194.28x = 5,823,523,712.03
  5. Step 5: Solve for x
    x = 5,823,523,712.03/80,194.28
  6. Step 6: Final answer
    x = 72,617.70

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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.