Home / 131,435.20-197,181.60-52,529.60

Finding the Fourth Proportional to 131,435.20, 197,181.60 and 52,529.60

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Solution

The fourth proportional to 131,435.20, 197,181.60 and 52,529.60 is: 78,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,435.20 : 197,181.60 = 52,529.60 : x
  2. Step 2: Convert to fraction form
    131,435.20/197,181.60 = 52,529.60/x
  3. Step 3: Cross multiply
    131,435.20x = 197,181.60 × 52,529.60
  4. Step 4: Simplify right side
    131,435.20x = 10,357,870,575.36
  5. Step 5: Solve for x
    x = 10,357,870,575.36/131,435.20
  6. Step 6: Final answer
    x = 78,805.91

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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.