Home / 131,538.60-197,337.12-61,379.64

Finding the Fourth Proportional to 131,538.60, 197,337.12 and 61,379.64

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Solution

The fourth proportional to 131,538.60, 197,337.12 and 61,379.64 is: 92,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,538.60 : 197,337.12 = 61,379.64 : x
  2. Step 2: Convert to fraction form
    131,538.60/197,337.12 = 61,379.64/x
  3. Step 3: Cross multiply
    131,538.60x = 197,337.12 × 61,379.64
  4. Step 4: Simplify right side
    131,538.60x = 12,112,481,384.24
  5. Step 5: Solve for x
    x = 12,112,481,384.24/131,538.60
  6. Step 6: Final answer
    x = 92,083.09

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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.