Home / 131,717.77-197,576.64-31,877.98

Finding the Fourth Proportional to 131,717.77, 197,576.64 and 31,877.98

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Solution

The fourth proportional to 131,717.77, 197,576.64 and 31,877.98 is: 47,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,717.77 : 197,576.64 = 31,877.98 : x
  2. Step 2: Convert to fraction form
    131,717.77/197,576.64 = 31,877.98/x
  3. Step 3: Cross multiply
    131,717.77x = 197,576.64 × 31,877.98
  4. Step 4: Simplify right side
    131,717.77x = 6,298,343,684.45
  5. Step 5: Solve for x
    x = 6,298,343,684.45/131,717.77
  6. Step 6: Final answer
    x = 47,816.96

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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.