Home / 133,113.12-199,635.66-39,597

Finding the Fourth Proportional to 133,113.12, 199,635.66 and 39,597

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Solution

The fourth proportional to 133,113.12, 199,635.66 and 39,597 is: 59,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,113.12 : 199,635.66 = 39,597 : x
  2. Step 2: Convert to fraction form
    133,113.12/199,635.66 = 39,597/x
  3. Step 3: Cross multiply
    133,113.12x = 199,635.66 × 39,597
  4. Step 4: Simplify right side
    133,113.12x = 7,904,973,229.02
  5. Step 5: Solve for x
    x = 7,904,973,229.02/133,113.12
  6. Step 6: Final answer
    x = 59,385.38

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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.