Home / 131,855.56-197,815.74-38,362.12

Finding the Fourth Proportional to 131,855.56, 197,815.74 and 38,362.12

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Solution

The fourth proportional to 131,855.56, 197,815.74 and 38,362.12 is: 57,552.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,855.56 : 197,815.74 = 38,362.12 : x
  2. Step 2: Convert to fraction form
    131,855.56/197,815.74 = 38,362.12/x
  3. Step 3: Cross multiply
    131,855.56x = 197,815.74 × 38,362.12
  4. Step 4: Simplify right side
    131,855.56x = 7,588,631,155.77
  5. Step 5: Solve for x
    x = 7,588,631,155.77/131,855.56
  6. Step 6: Final answer
    x = 57,552.61

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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.