Home / 131,747.11-197,652.15-43,000.77

Finding the Fourth Proportional to 131,747.11, 197,652.15 and 43,000.77

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Solution

The fourth proportional to 131,747.11, 197,652.15 and 43,000.77 is: 64,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,747.11 : 197,652.15 = 43,000.77 : x
  2. Step 2: Convert to fraction form
    131,747.11/197,652.15 = 43,000.77/x
  3. Step 3: Cross multiply
    131,747.11x = 197,652.15 × 43,000.77
  4. Step 4: Simplify right side
    131,747.11x = 8,499,194,427.15
  5. Step 5: Solve for x
    x = 8,499,194,427.15/131,747.11
  6. Step 6: Final answer
    x = 64,511.43

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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.