Home / 131,772.64-197,493.42-56,805.04

Finding the Fourth Proportional to 131,772.64, 197,493.42 and 56,805.04

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Solution

The fourth proportional to 131,772.64, 197,493.42 and 56,805.04 is: 85,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,772.64 : 197,493.42 = 56,805.04 : x
  2. Step 2: Convert to fraction form
    131,772.64/197,493.42 = 56,805.04/x
  3. Step 3: Cross multiply
    131,772.64x = 197,493.42 × 56,805.04
  4. Step 4: Simplify right side
    131,772.64x = 11,218,621,622.84
  5. Step 5: Solve for x
    x = 11,218,621,622.84/131,772.64
  6. Step 6: Final answer
    x = 85,136.20

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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.