Home / 168,000.50-252,002.64-71,924.78

Finding the Fourth Proportional to 168,000.50, 252,002.64 and 71,924.78

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Solution

The fourth proportional to 168,000.50, 252,002.64 and 71,924.78 is: 107,887.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.50 : 252,002.64 = 71,924.78 : x
  2. Step 2: Convert to fraction form
    168,000.50/252,002.64 = 71,924.78/x
  3. Step 3: Cross multiply
    168,000.50x = 252,002.64 × 71,924.78
  4. Step 4: Simplify right side
    168,000.50x = 18,125,234,441.42
  5. Step 5: Solve for x
    x = 18,125,234,441.42/168,000.50
  6. Step 6: Final answer
    x = 107,887.98

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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.