Home / 131,782.77-197,672.40-31,943.86

Finding the Fourth Proportional to 131,782.77, 197,672.40 and 31,943.86

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Solution

The fourth proportional to 131,782.77, 197,672.40 and 31,943.86 is: 47,915.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,782.77 : 197,672.40 = 31,943.86 : x
  2. Step 2: Convert to fraction form
    131,782.77/197,672.40 = 31,943.86/x
  3. Step 3: Cross multiply
    131,782.77x = 197,672.40 × 31,943.86
  4. Step 4: Simplify right side
    131,782.77x = 6,314,419,471.46
  5. Step 5: Solve for x
    x = 6,314,419,471.46/131,782.77
  6. Step 6: Final answer
    x = 47,915.36

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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.