Home / 119,099.36-164,359.20-65,389.44

Finding the Fourth Proportional to 119,099.36, 164,359.20 and 65,389.44

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Solution

The fourth proportional to 119,099.36, 164,359.20 and 65,389.44 is: 90,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,099.36 : 164,359.20 = 65,389.44 : x
  2. Step 2: Convert to fraction form
    119,099.36/164,359.20 = 65,389.44/x
  3. Step 3: Cross multiply
    119,099.36x = 164,359.20 × 65,389.44
  4. Step 4: Simplify right side
    119,099.36x = 10,747,356,046.85
  5. Step 5: Solve for x
    x = 10,747,356,046.85/119,099.36
  6. Step 6: Final answer
    x = 90,238.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.