Home / 139,396.04-192,365.18-75,733.79

Finding the Fourth Proportional to 139,396.04, 192,365.18 and 75,733.79

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Solution

The fourth proportional to 139,396.04, 192,365.18 and 75,733.79 is: 104,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,396.04 : 192,365.18 = 75,733.79 : x
  2. Step 2: Convert to fraction form
    139,396.04/192,365.18 = 75,733.79/x
  3. Step 3: Cross multiply
    139,396.04x = 192,365.18 × 75,733.79
  4. Step 4: Simplify right side
    139,396.04x = 14,568,543,088.94
  5. Step 5: Solve for x
    x = 14,568,543,088.94/139,396.04
  6. Step 6: Final answer
    x = 104,511.89

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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.