Home / 131,534.76-197,303.96-42,788.73

Finding the Fourth Proportional to 131,534.76, 197,303.96 and 42,788.73

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Solution

The fourth proportional to 131,534.76, 197,303.96 and 42,788.73 is: 64,183.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,534.76 : 197,303.96 = 42,788.73 : x
  2. Step 2: Convert to fraction form
    131,534.76/197,303.96 = 42,788.73/x
  3. Step 3: Cross multiply
    131,534.76x = 197,303.96 × 42,788.73
  4. Step 4: Simplify right side
    131,534.76x = 8,442,384,671.91
  5. Step 5: Solve for x
    x = 8,442,384,671.91/131,534.76
  6. Step 6: Final answer
    x = 64,183.68

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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.