Home / 106,244.28-159,383.74-31,372

Finding the Fourth Proportional to 106,244.28, 159,383.74 and 31,372

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Solution

The fourth proportional to 106,244.28, 159,383.74 and 31,372 is: 47,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,244.28 : 159,383.74 = 31,372 : x
  2. Step 2: Convert to fraction form
    106,244.28/159,383.74 = 31,372/x
  3. Step 3: Cross multiply
    106,244.28x = 159,383.74 × 31,372
  4. Step 4: Simplify right side
    106,244.28x = 5,000,186,691.28
  5. Step 5: Solve for x
    x = 5,000,186,691.28/106,244.28
  6. Step 6: Final answer
    x = 47,063.11

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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.