Home / 131,731.84-197,247.84-102,982.24

Finding the Fourth Proportional to 131,731.84, 197,247.84 and 102,982.24

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Solution

The fourth proportional to 131,731.84, 197,247.84 and 102,982.24 is: 154,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,731.84 : 197,247.84 = 102,982.24 : x
  2. Step 2: Convert to fraction form
    131,731.84/197,247.84 = 102,982.24/x
  3. Step 3: Cross multiply
    131,731.84x = 197,247.84 × 102,982.24
  4. Step 4: Simplify right side
    131,731.84x = 20,313,024,398.36
  5. Step 5: Solve for x
    x = 20,313,024,398.36/131,731.84
  6. Step 6: Final answer
    x = 154,199.81

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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.