Home / 106,119.20-159,124.02-31,229.62

Finding the Fourth Proportional to 106,119.20, 159,124.02 and 31,229.62

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Solution

The fourth proportional to 106,119.20, 159,124.02 and 31,229.62 is: 46,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,119.20 : 159,124.02 = 31,229.62 : x
  2. Step 2: Convert to fraction form
    106,119.20/159,124.02 = 31,229.62/x
  3. Step 3: Cross multiply
    106,119.20x = 159,124.02 × 31,229.62
  4. Step 4: Simplify right side
    106,119.20x = 4,969,381,864.19
  5. Step 5: Solve for x
    x = 4,969,381,864.19/106,119.20
  6. Step 6: Final answer
    x = 46,828.30

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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.