Home / 119,658.26-178,940.64-89,696.36

Finding the Fourth Proportional to 119,658.26, 178,940.64 and 89,696.36

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Solution

The fourth proportional to 119,658.26, 178,940.64 and 89,696.36 is: 134,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,658.26 : 178,940.64 = 89,696.36 : x
  2. Step 2: Convert to fraction form
    119,658.26/178,940.64 = 89,696.36/x
  3. Step 3: Cross multiply
    119,658.26x = 178,940.64 × 89,696.36
  4. Step 4: Simplify right side
    119,658.26x = 16,050,324,064.07
  5. Step 5: Solve for x
    x = 16,050,324,064.07/119,658.26
  6. Step 6: Final answer
    x = 134,134.69

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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.