Home / 131,786.03-197,677.31-31,947.12

Finding the Fourth Proportional to 131,786.03, 197,677.31 and 31,947.12

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Solution

The fourth proportional to 131,786.03, 197,677.31 and 31,947.12 is: 47,920.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,786.03 : 197,677.31 = 31,947.12 : x
  2. Step 2: Convert to fraction form
    131,786.03/197,677.31 = 31,947.12/x
  3. Step 3: Cross multiply
    131,786.03x = 197,677.31 × 31,947.12
  4. Step 4: Simplify right side
    131,786.03x = 6,315,220,584.11
  5. Step 5: Solve for x
    x = 6,315,220,584.11/131,786.03
  6. Step 6: Final answer
    x = 47,920.26

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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.