Home / 106,217.19-159,349.79-35,139.66

Finding the Fourth Proportional to 106,217.19, 159,349.79 and 35,139.66

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Solution

The fourth proportional to 106,217.19, 159,349.79 and 35,139.66 is: 52,717.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,217.19 : 159,349.79 = 35,139.66 : x
  2. Step 2: Convert to fraction form
    106,217.19/159,349.79 = 35,139.66/x
  3. Step 3: Cross multiply
    106,217.19x = 159,349.79 × 35,139.66
  4. Step 4: Simplify right side
    106,217.19x = 5,599,497,441.67
  5. Step 5: Solve for x
    x = 5,599,497,441.67/106,217.19
  6. Step 6: Final answer
    x = 52,717.43

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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.