Home / 106,304.28-159,456.24-31,425.36

Finding the Fourth Proportional to 106,304.28, 159,456.24 and 31,425.36

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Solution

The fourth proportional to 106,304.28, 159,456.24 and 31,425.36 is: 47,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,304.28 : 159,456.24 = 31,425.36 : x
  2. Step 2: Convert to fraction form
    106,304.28/159,456.24 = 31,425.36/x
  3. Step 3: Cross multiply
    106,304.28x = 159,456.24 × 31,425.36
  4. Step 4: Simplify right side
    106,304.28x = 5,010,969,746.25
  5. Step 5: Solve for x
    x = 5,010,969,746.25/106,304.28
  6. Step 6: Final answer
    x = 47,137.99

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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.