Home / 131,555.44-197,382.86-79,001.56

Finding the Fourth Proportional to 131,555.44, 197,382.86 and 79,001.56

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Solution

The fourth proportional to 131,555.44, 197,382.86 and 79,001.56 is: 118,532.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,555.44 : 197,382.86 = 79,001.56 : x
  2. Step 2: Convert to fraction form
    131,555.44/197,382.86 = 79,001.56/x
  3. Step 3: Cross multiply
    131,555.44x = 197,382.86 × 79,001.56
  4. Step 4: Simplify right side
    131,555.44x = 15,593,553,857.26
  5. Step 5: Solve for x
    x = 15,593,553,857.26/131,555.44
  6. Step 6: Final answer
    x = 118,532.19

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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.