Home / 80,263.12-120,283.97-60,519.98

Finding the Fourth Proportional to 80,263.12, 120,283.97 and 60,519.98

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Solution

The fourth proportional to 80,263.12, 120,283.97 and 60,519.98 is: 90,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263.12 : 120,283.97 = 60,519.98 : x
  2. Step 2: Convert to fraction form
    80,263.12/120,283.97 = 60,519.98/x
  3. Step 3: Cross multiply
    80,263.12x = 120,283.97 × 60,519.98
  4. Step 4: Simplify right side
    80,263.12x = 7,279,583,156.12
  5. Step 5: Solve for x
    x = 7,279,583,156.12/80,263.12
  6. Step 6: Final answer
    x = 90,696.49

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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.