Home / 76,125.24-114,185.10-19,964.88

Finding the Fourth Proportional to 76,125.24, 114,185.10 and 19,964.88

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Solution

The fourth proportional to 76,125.24, 114,185.10 and 19,964.88 is: 29,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,125.24 : 114,185.10 = 19,964.88 : x
  2. Step 2: Convert to fraction form
    76,125.24/114,185.10 = 19,964.88/x
  3. Step 3: Cross multiply
    76,125.24x = 114,185.10 × 19,964.88
  4. Step 4: Simplify right side
    76,125.24x = 2,279,691,819.29
  5. Step 5: Solve for x
    x = 2,279,691,819.29/76,125.24
  6. Step 6: Final answer
    x = 29,946.60

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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.