Home / 139,230.04-192,137.62-75,567.88

Finding the Fourth Proportional to 139,230.04, 192,137.62 and 75,567.88

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Solution

The fourth proportional to 139,230.04, 192,137.62 and 75,567.88 is: 104,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,230.04 : 192,137.62 = 75,567.88 : x
  2. Step 2: Convert to fraction form
    139,230.04/192,137.62 = 75,567.88/x
  3. Step 3: Cross multiply
    139,230.04x = 192,137.62 × 75,567.88
  4. Step 4: Simplify right side
    139,230.04x = 14,519,432,611.65
  5. Step 5: Solve for x
    x = 14,519,432,611.65/139,230.04
  6. Step 6: Final answer
    x = 104,283.76

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1.5x scale

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.