Home / 168,000.30-252,000.45-49,672.80

Finding the Fourth Proportional to 168,000.30, 252,000.45 and 49,672.80

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Solution

The fourth proportional to 168,000.30, 252,000.45 and 49,672.80 is: 74,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,000.30 : 252,000.45 = 49,672.80 : x
  2. Step 2: Convert to fraction form
    168,000.30/252,000.45 = 49,672.80/x
  3. Step 3: Cross multiply
    168,000.30x = 252,000.45 × 49,672.80
  4. Step 4: Simplify right side
    168,000.30x = 12,517,567,952.76
  5. Step 5: Solve for x
    x = 12,517,567,952.76/168,000.30
  6. Step 6: Final answer
    x = 74,509.20

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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.