Home / 131,408.70-197,005.05-56,586.30

Finding the Fourth Proportional to 131,408.70, 197,005.05 and 56,586.30

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Solution

The fourth proportional to 131,408.70, 197,005.05 and 56,586.30 is: 84,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,408.70 : 197,005.05 = 56,586.30 : x
  2. Step 2: Convert to fraction form
    131,408.70/197,005.05 = 56,586.30/x
  3. Step 3: Cross multiply
    131,408.70x = 197,005.05 × 56,586.30
  4. Step 4: Simplify right side
    131,408.70x = 11,147,786,860.82
  5. Step 5: Solve for x
    x = 11,147,786,860.82/131,408.70
  6. Step 6: Final answer
    x = 84,832.94

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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.