Home / 139,723.24-192,819.26-76,060.88

Finding the Fourth Proportional to 139,723.24, 192,819.26 and 76,060.88

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Solution

The fourth proportional to 139,723.24, 192,819.26 and 76,060.88 is: 104,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,723.24 : 192,819.26 = 76,060.88 : x
  2. Step 2: Convert to fraction form
    139,723.24/192,819.26 = 76,060.88/x
  3. Step 3: Cross multiply
    139,723.24x = 192,819.26 × 76,060.88
  4. Step 4: Simplify right side
    139,723.24x = 14,666,002,596.55
  5. Step 5: Solve for x
    x = 14,666,002,596.55/139,723.24
  6. Step 6: Final answer
    x = 104,964.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.