Home / 131,717.94-197,576.91-31,878.14

Finding the Fourth Proportional to 131,717.94, 197,576.91 and 31,878.14

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Solution

The fourth proportional to 131,717.94, 197,576.91 and 31,878.14 is: 47,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,717.94 : 197,576.91 = 31,878.14 : x
  2. Step 2: Convert to fraction form
    131,717.94/197,576.91 = 31,878.14/x
  3. Step 3: Cross multiply
    131,717.94x = 197,576.91 × 31,878.14
  4. Step 4: Simplify right side
    131,717.94x = 6,298,383,409.86
  5. Step 5: Solve for x
    x = 6,298,383,409.86/131,717.94
  6. Step 6: Final answer
    x = 47,817.20

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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.