Home / 139,247.37-192,160.10-75,585.11

Finding the Fourth Proportional to 139,247.37, 192,160.10 and 75,585.11

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Solution

The fourth proportional to 139,247.37, 192,160.10 and 75,585.11 is: 104,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,247.37 : 192,160.10 = 75,585.11 : x
  2. Step 2: Convert to fraction form
    139,247.37/192,160.10 = 75,585.11/x
  3. Step 3: Cross multiply
    139,247.37x = 192,160.10 × 75,585.11
  4. Step 4: Simplify right side
    139,247.37x = 14,524,441,524.27
  5. Step 5: Solve for x
    x = 14,524,441,524.27/139,247.37
  6. Step 6: Final answer
    x = 104,306.76

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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.