Home / 131,475.60-197,083.80-64,861.20

Finding the Fourth Proportional to 131,475.60, 197,083.80 and 64,861.20

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Solution

The fourth proportional to 131,475.60, 197,083.80 and 64,861.20 is: 97,227.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,475.60 : 197,083.80 = 64,861.20 : x
  2. Step 2: Convert to fraction form
    131,475.60/197,083.80 = 64,861.20/x
  3. Step 3: Cross multiply
    131,475.60x = 197,083.80 × 64,861.20
  4. Step 4: Simplify right side
    131,475.60x = 12,783,091,768.56
  5. Step 5: Solve for x
    x = 12,783,091,768.56/131,475.60
  6. Step 6: Final answer
    x = 97,227.86

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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.