Home / 139,276.85-192,202.04-75,614.65

Finding the Fourth Proportional to 139,276.85, 192,202.04 and 75,614.65

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Solution

The fourth proportional to 139,276.85, 192,202.04 and 75,614.65 is: 104,348.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,276.85 : 192,202.04 = 75,614.65 : x
  2. Step 2: Convert to fraction form
    139,276.85/192,202.04 = 75,614.65/x
  3. Step 3: Cross multiply
    139,276.85x = 192,202.04 × 75,614.65
  4. Step 4: Simplify right side
    139,276.85x = 14,533,289,692.42
  5. Step 5: Solve for x
    x = 14,533,289,692.42/139,276.85
  6. Step 6: Final answer
    x = 104,348.21

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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.