Home / 131,424.20-197,114.70-36,660.86

Finding the Fourth Proportional to 131,424.20, 197,114.70 and 36,660.86

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Solution

The fourth proportional to 131,424.20, 197,114.70 and 36,660.86 is: 54,985.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.20 : 197,114.70 = 36,660.86 : x
  2. Step 2: Convert to fraction form
    131,424.20/197,114.70 = 36,660.86/x
  3. Step 3: Cross multiply
    131,424.20x = 197,114.70 × 36,660.86
  4. Step 4: Simplify right side
    131,424.20x = 7,226,394,420.64
  5. Step 5: Solve for x
    x = 7,226,394,420.64/131,424.20
  6. Step 6: Final answer
    x = 54,985.26

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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.