Home / 221,037.30-331,607.79-87,925.14

Finding the Fourth Proportional to 221,037.30, 331,607.79 and 87,925.14

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Solution

The fourth proportional to 221,037.30, 331,607.79 and 87,925.14 is: 131,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,037.30 : 331,607.79 = 87,925.14 : x
  2. Step 2: Convert to fraction form
    221,037.30/331,607.79 = 87,925.14/x
  3. Step 3: Cross multiply
    221,037.30x = 331,607.79 × 87,925.14
  4. Step 4: Simplify right side
    221,037.30x = 29,156,661,360.84
  5. Step 5: Solve for x
    x = 29,156,661,360.84/221,037.30
  6. Step 6: Final answer
    x = 131,908.33

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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.