Home / 133,082.88-199,655.79-43,125.45

Finding the Fourth Proportional to 133,082.88, 199,655.79 and 43,125.45

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Solution

The fourth proportional to 133,082.88, 199,655.79 and 43,125.45 is: 64,698.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,082.88 : 199,655.79 = 43,125.45 : x
  2. Step 2: Convert to fraction form
    133,082.88/199,655.79 = 43,125.45/x
  3. Step 3: Cross multiply
    133,082.88x = 199,655.79 × 43,125.45
  4. Step 4: Simplify right side
    133,082.88x = 8,610,245,788.86
  5. Step 5: Solve for x
    x = 8,610,245,788.86/133,082.88
  6. Step 6: Final answer
    x = 64,698.37

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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.