Home / 131,537.05-197,326.26-42,769.80

Finding the Fourth Proportional to 131,537.05, 197,326.26 and 42,769.80

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Solution

The fourth proportional to 131,537.05, 197,326.26 and 42,769.80 is: 64,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,537.05 : 197,326.26 = 42,769.80 : x
  2. Step 2: Convert to fraction form
    131,537.05/197,326.26 = 42,769.80/x
  3. Step 3: Cross multiply
    131,537.05x = 197,326.26 × 42,769.80
  4. Step 4: Simplify right side
    131,537.05x = 8,439,604,674.95
  5. Step 5: Solve for x
    x = 8,439,604,674.95/131,537.05
  6. Step 6: Final answer
    x = 64,161.43

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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.