Home / 131,910.30-197,850.84-38,416.08

Finding the Fourth Proportional to 131,910.30, 197,850.84 and 38,416.08

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Solution

The fourth proportional to 131,910.30, 197,850.84 and 38,416.08 is: 57,619.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,910.30 : 197,850.84 = 38,416.08 : x
  2. Step 2: Convert to fraction form
    131,910.30/197,850.84 = 38,416.08/x
  3. Step 3: Cross multiply
    131,910.30x = 197,850.84 × 38,416.08
  4. Step 4: Simplify right side
    131,910.30x = 7,600,653,697.51
  5. Step 5: Solve for x
    x = 7,600,653,697.51/131,910.30
  6. Step 6: Final answer
    x = 57,619.87

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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.