Home / 139,454.04-192,448.08-75,791.85

Finding the Fourth Proportional to 139,454.04, 192,448.08 and 75,791.85

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Solution

The fourth proportional to 139,454.04, 192,448.08 and 75,791.85 is: 104,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,454.04 : 192,448.08 = 75,791.85 : x
  2. Step 2: Convert to fraction form
    139,454.04/192,448.08 = 75,791.85/x
  3. Step 3: Cross multiply
    139,454.04x = 192,448.08 × 75,791.85
  4. Step 4: Simplify right side
    139,454.04x = 14,585,996,012.15
  5. Step 5: Solve for x
    x = 14,585,996,012.15/139,454.04
  6. Step 6: Final answer
    x = 104,593.57

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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.