Home / 139,199.81-192,096.26-75,537.62

Finding the Fourth Proportional to 139,199.81, 192,096.26 and 75,537.62

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Solution

The fourth proportional to 139,199.81, 192,096.26 and 75,537.62 is: 104,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,199.81 : 192,096.26 = 75,537.62 : x
  2. Step 2: Convert to fraction form
    139,199.81/192,096.26 = 75,537.62/x
  3. Step 3: Cross multiply
    139,199.81x = 192,096.26 × 75,537.62
  4. Step 4: Simplify right side
    139,199.81x = 14,510,494,291.30
  5. Step 5: Solve for x
    x = 14,510,494,291.30/139,199.81
  6. Step 6: Final answer
    x = 104,242.20

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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.