Home / 139,363.48-192,325.18-75,704.92

Finding the Fourth Proportional to 139,363.48, 192,325.18 and 75,704.92

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Solution

The fourth proportional to 139,363.48, 192,325.18 and 75,704.92 is: 104,474.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,363.48 : 192,325.18 = 75,704.92 : x
  2. Step 2: Convert to fraction form
    139,363.48/192,325.18 = 75,704.92/x
  3. Step 3: Cross multiply
    139,363.48x = 192,325.18 × 75,704.92
  4. Step 4: Simplify right side
    139,363.48x = 14,559,962,365.89
  5. Step 5: Solve for x
    x = 14,559,962,365.89/139,363.48
  6. Step 6: Final answer
    x = 104,474.73

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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.