Home / 131,939.19-197,833.80-51,933.79

Finding the Fourth Proportional to 131,939.19, 197,833.80 and 51,933.79

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Solution

The fourth proportional to 131,939.19, 197,833.80 and 51,933.79 is: 77,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,939.19 : 197,833.80 = 51,933.79 : x
  2. Step 2: Convert to fraction form
    131,939.19/197,833.80 = 51,933.79/x
  3. Step 3: Cross multiply
    131,939.19x = 197,833.80 × 51,933.79
  4. Step 4: Simplify right side
    131,939.19x = 10,274,259,336.31
  5. Step 5: Solve for x
    x = 10,274,259,336.31/131,939.19
  6. Step 6: Final answer
    x = 77,871.17

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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.