Home / 131,727.21-197,510.71-51,669.24

Finding the Fourth Proportional to 131,727.21, 197,510.71 and 51,669.24

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Solution

The fourth proportional to 131,727.21, 197,510.71 and 51,669.24 is: 77,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.21 : 197,510.71 = 51,669.24 : x
  2. Step 2: Convert to fraction form
    131,727.21/197,510.71 = 51,669.24/x
  3. Step 3: Cross multiply
    131,727.21x = 197,510.71 × 51,669.24
  4. Step 4: Simplify right side
    131,727.21x = 10,205,228,277.56
  5. Step 5: Solve for x
    x = 10,205,228,277.56/131,727.21
  6. Step 6: Final answer
    x = 77,472.44

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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.