Home / 131,738.76-197,605.98-31,898.28

Finding the Fourth Proportional to 131,738.76, 197,605.98 and 31,898.28

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Solution

The fourth proportional to 131,738.76, 197,605.98 and 31,898.28 is: 47,846.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,738.76 : 197,605.98 = 31,898.28 : x
  2. Step 2: Convert to fraction form
    131,738.76/197,605.98 = 31,898.28/x
  3. Step 3: Cross multiply
    131,738.76x = 197,605.98 × 31,898.28
  4. Step 4: Simplify right side
    131,738.76x = 6,303,290,879.71
  5. Step 5: Solve for x
    x = 6,303,290,879.71/131,738.76
  6. Step 6: Final answer
    x = 47,846.90

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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.