Home / 131,429.40-197,273.70-64,944.60

Finding the Fourth Proportional to 131,429.40, 197,273.70 and 64,944.60

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Solution

The fourth proportional to 131,429.40, 197,273.70 and 64,944.60 is: 97,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.40 : 197,273.70 = 64,944.60 : x
  2. Step 2: Convert to fraction form
    131,429.40/197,273.70 = 64,944.60/x
  3. Step 3: Cross multiply
    131,429.40x = 197,273.70 × 64,944.60
  4. Step 4: Simplify right side
    131,429.40x = 12,811,861,537.02
  5. Step 5: Solve for x
    x = 12,811,861,537.02/131,429.40
  6. Step 6: Final answer
    x = 97,480.94

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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.