Home / 225,101.45-337,652.75-91,981.69

Finding the Fourth Proportional to 225,101.45, 337,652.75 and 91,981.69

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Solution

The fourth proportional to 225,101.45, 337,652.75 and 91,981.69 is: 137,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,101.45 : 337,652.75 = 91,981.69 : x
  2. Step 2: Convert to fraction form
    225,101.45/337,652.75 = 91,981.69/x
  3. Step 3: Cross multiply
    225,101.45x = 337,652.75 × 91,981.69
  4. Step 4: Simplify right side
    225,101.45x = 31,057,868,889.88
  5. Step 5: Solve for x
    x = 31,057,868,889.88/225,101.45
  6. Step 6: Final answer
    x = 137,972.76

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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.