Home / 131,746.46-197,619.02-31,906.65

Finding the Fourth Proportional to 131,746.46, 197,619.02 and 31,906.65

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Solution

The fourth proportional to 131,746.46, 197,619.02 and 31,906.65 is: 47,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746.46 : 197,619.02 = 31,906.65 : x
  2. Step 2: Convert to fraction form
    131,746.46/197,619.02 = 31,906.65/x
  3. Step 3: Cross multiply
    131,746.46x = 197,619.02 × 31,906.65
  4. Step 4: Simplify right side
    131,746.46x = 6,305,360,243.18
  5. Step 5: Solve for x
    x = 6,305,360,243.18/131,746.46
  6. Step 6: Final answer
    x = 47,859.81

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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.