Home / 131,410.30-197,164.05-42,666.70

Finding the Fourth Proportional to 131,410.30, 197,164.05 and 42,666.70

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Solution

The fourth proportional to 131,410.30, 197,164.05 and 42,666.70 is: 64,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,410.30 : 197,164.05 = 42,666.70 : x
  2. Step 2: Convert to fraction form
    131,410.30/197,164.05 = 42,666.70/x
  3. Step 3: Cross multiply
    131,410.30x = 197,164.05 × 42,666.70
  4. Step 4: Simplify right side
    131,410.30x = 8,412,339,372.14
  5. Step 5: Solve for x
    x = 8,412,339,372.14/131,410.30
  6. Step 6: Final answer
    x = 64,015.83

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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.