Home / 133,513.79-200,245.18-40,019.54

Finding the Fourth Proportional to 133,513.79, 200,245.18 and 40,019.54

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Solution

The fourth proportional to 133,513.79, 200,245.18 and 40,019.54 is: 60,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,513.79 : 200,245.18 = 40,019.54 : x
  2. Step 2: Convert to fraction form
    133,513.79/200,245.18 = 40,019.54/x
  3. Step 3: Cross multiply
    133,513.79x = 200,245.18 × 40,019.54
  4. Step 4: Simplify right side
    133,513.79x = 8,013,718,989.59
  5. Step 5: Solve for x
    x = 8,013,718,989.59/133,513.79
  6. Step 6: Final answer
    x = 60,021.66

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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.