Home / 133,940.16-200,911.68-40,446.72

Finding the Fourth Proportional to 133,940.16, 200,911.68 and 40,446.72

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Solution

The fourth proportional to 133,940.16, 200,911.68 and 40,446.72 is: 60,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,940.16 : 200,911.68 = 40,446.72 : x
  2. Step 2: Convert to fraction form
    133,940.16/200,911.68 = 40,446.72/x
  3. Step 3: Cross multiply
    133,940.16x = 200,911.68 × 40,446.72
  4. Step 4: Simplify right side
    133,940.16x = 8,126,218,465.69
  5. Step 5: Solve for x
    x = 8,126,218,465.69/133,940.16
  6. Step 6: Final answer
    x = 60,670.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.