Home / 131,912.56-197,933.80-61,779.76

Finding the Fourth Proportional to 131,912.56, 197,933.80 and 61,779.76

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Solution

The fourth proportional to 131,912.56, 197,933.80 and 61,779.76 is: 92,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,912.56 : 197,933.80 = 61,779.76 : x
  2. Step 2: Convert to fraction form
    131,912.56/197,933.80 = 61,779.76/x
  3. Step 3: Cross multiply
    131,912.56x = 197,933.80 × 61,779.76
  4. Step 4: Simplify right side
    131,912.56x = 12,228,302,659.89
  5. Step 5: Solve for x
    x = 12,228,302,659.89/131,912.56
  6. Step 6: Final answer
    x = 92,700.06

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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.