Home / 131,738.82-197,608.77-31,898.90

Finding the Fourth Proportional to 131,738.82, 197,608.77 and 31,898.90

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Solution

The fourth proportional to 131,738.82, 197,608.77 and 31,898.90 is: 47,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.82 : 197,608.77 = 31,898.90 : x
  2. Step 2: Convert to fraction form
    131,738.82/197,608.77 = 31,898.90/x
  3. Step 3: Cross multiply
    131,738.82x = 197,608.77 × 31,898.90
  4. Step 4: Simplify right side
    131,738.82x = 6,303,501,405.31
  5. Step 5: Solve for x
    x = 6,303,501,405.31/131,738.82
  6. Step 6: Final answer
    x = 47,848.47

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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.