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Finding the Fourth Proportional to 80,164.80, 120,225.60 and 24,004.80

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Solution

The fourth proportional to 80,164.80, 120,225.60 and 24,004.80 is: 36,000.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,164.80 : 120,225.60 = 24,004.80 : x
  2. Step 2: Convert to fraction form
    80,164.80/120,225.60 = 24,004.80/x
  3. Step 3: Cross multiply
    80,164.80x = 120,225.60 × 24,004.80
  4. Step 4: Simplify right side
    80,164.80x = 2,885,991,482.88
  5. Step 5: Solve for x
    x = 2,885,991,482.88/80,164.80
  6. Step 6: Final answer
    x = 36,000.73

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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.