Home / 131,193.09-181,057.55-107,252.73

Finding the Fourth Proportional to 131,193.09, 181,057.55 and 107,252.73

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Solution

The fourth proportional to 131,193.09, 181,057.55 and 107,252.73 is: 148,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,193.09 : 181,057.55 = 107,252.73 : x
  2. Step 2: Convert to fraction form
    131,193.09/181,057.55 = 107,252.73/x
  3. Step 3: Cross multiply
    131,193.09x = 181,057.55 × 107,252.73
  4. Step 4: Simplify right side
    131,193.09x = 19,418,915,988.35
  5. Step 5: Solve for x
    x = 19,418,915,988.35/131,193.09
  6. Step 6: Final answer
    x = 148,017.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.