Home / 131,515.70-197,165.55-56,693.30

Finding the Fourth Proportional to 131,515.70, 197,165.55 and 56,693.30

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Solution

The fourth proportional to 131,515.70, 197,165.55 and 56,693.30 is: 84,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,515.70 : 197,165.55 = 56,693.30 : x
  2. Step 2: Convert to fraction form
    131,515.70/197,165.55 = 56,693.30/x
  3. Step 3: Cross multiply
    131,515.70x = 197,165.55 × 56,693.30
  4. Step 4: Simplify right side
    131,515.70x = 11,177,965,675.82
  5. Step 5: Solve for x
    x = 11,177,965,675.82/131,515.70
  6. Step 6: Final answer
    x = 84,993.39

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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.