Home / 131,817.07-197,759.31-38,322.82

Finding the Fourth Proportional to 131,817.07, 197,759.31 and 38,322.82

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Solution

The fourth proportional to 131,817.07, 197,759.31 and 38,322.82 is: 57,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,817.07 : 197,759.31 = 38,322.82 : x
  2. Step 2: Convert to fraction form
    131,817.07/197,759.31 = 38,322.82/x
  3. Step 3: Cross multiply
    131,817.07x = 197,759.31 × 38,322.82
  4. Step 4: Simplify right side
    131,817.07x = 7,578,694,440.45
  5. Step 5: Solve for x
    x = 7,578,694,440.45/131,817.07
  6. Step 6: Final answer
    x = 57,494.03

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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.