Home / 139,199.79-192,096.22-75,537.57

Finding the Fourth Proportional to 139,199.79, 192,096.22 and 75,537.57

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Solution

The fourth proportional to 139,199.79, 192,096.22 and 75,537.57 is: 104,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,199.79 : 192,096.22 = 75,537.57 : x
  2. Step 2: Convert to fraction form
    139,199.79/192,096.22 = 75,537.57/x
  3. Step 3: Cross multiply
    139,199.79x = 192,096.22 × 75,537.57
  4. Step 4: Simplify right side
    139,199.79x = 14,510,481,476.14
  5. Step 5: Solve for x
    x = 14,510,481,476.14/139,199.79
  6. Step 6: Final answer
    x = 104,242.12

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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.