Home / 106,312.28-159,468.24-31,433.36

Finding the Fourth Proportional to 106,312.28, 159,468.24 and 31,433.36

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Solution

The fourth proportional to 106,312.28, 159,468.24 and 31,433.36 is: 47,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,312.28 : 159,468.24 = 31,433.36 : x
  2. Step 2: Convert to fraction form
    106,312.28/159,468.24 = 31,433.36/x
  3. Step 3: Cross multiply
    106,312.28x = 159,468.24 × 31,433.36
  4. Step 4: Simplify right side
    106,312.28x = 5,012,622,596.49
  5. Step 5: Solve for x
    x = 5,012,622,596.49/106,312.28
  6. Step 6: Final answer
    x = 47,149.99

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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.