Home / 131,776.32-197,604.64-56,860.96

Finding the Fourth Proportional to 131,776.32, 197,604.64 and 56,860.96

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Solution

The fourth proportional to 131,776.32, 197,604.64 and 56,860.96 is: 85,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,776.32 : 197,604.64 = 56,860.96 : x
  2. Step 2: Convert to fraction form
    131,776.32/197,604.64 = 56,860.96/x
  3. Step 3: Cross multiply
    131,776.32x = 197,604.64 × 56,860.96
  4. Step 4: Simplify right side
    131,776.32x = 11,235,989,530.85
  5. Step 5: Solve for x
    x = 11,235,989,530.85/131,776.32
  6. Step 6: Final answer
    x = 85,265.62

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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.