Home / 131,455.05-197,215.84-36,685.22

Finding the Fourth Proportional to 131,455.05, 197,215.84 and 36,685.22

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Solution

The fourth proportional to 131,455.05, 197,215.84 and 36,685.22 is: 55,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,455.05 : 197,215.84 = 36,685.22 : x
  2. Step 2: Convert to fraction form
    131,455.05/197,215.84 = 36,685.22/x
  3. Step 3: Cross multiply
    131,455.05x = 197,215.84 × 36,685.22
  4. Step 4: Simplify right side
    131,455.05x = 7,234,906,477.88
  5. Step 5: Solve for x
    x = 7,234,906,477.88/131,455.05
  6. Step 6: Final answer
    x = 55,037.11

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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.