Home / 106,302.28-159,453.24-31,423.36

Finding the Fourth Proportional to 106,302.28, 159,453.24 and 31,423.36

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Solution

The fourth proportional to 106,302.28, 159,453.24 and 31,423.36 is: 47,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,302.28 : 159,453.24 = 31,423.36 : x
  2. Step 2: Convert to fraction form
    106,302.28/159,453.24 = 31,423.36/x
  3. Step 3: Cross multiply
    106,302.28x = 159,453.24 × 31,423.36
  4. Step 4: Simplify right side
    106,302.28x = 5,010,556,563.69
  5. Step 5: Solve for x
    x = 5,010,556,563.69/106,302.28
  6. Step 6: Final answer
    x = 47,134.99

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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.