Home / 131,660.58-197,511.35-42,893.43

Finding the Fourth Proportional to 131,660.58, 197,511.35 and 42,893.43

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Solution

The fourth proportional to 131,660.58, 197,511.35 and 42,893.43 is: 64,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,660.58 : 197,511.35 = 42,893.43 : x
  2. Step 2: Convert to fraction form
    131,660.58/197,511.35 = 42,893.43/x
  3. Step 3: Cross multiply
    131,660.58x = 197,511.35 × 42,893.43
  4. Step 4: Simplify right side
    131,660.58x = 8,471,939,265.43
  5. Step 5: Solve for x
    x = 8,471,939,265.43/131,660.58
  6. Step 6: Final answer
    x = 64,346.82

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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.