Home / 119,326.40-178,747.82-55,193.38

Finding the Fourth Proportional to 119,326.40, 178,747.82 and 55,193.38

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Solution

The fourth proportional to 119,326.40, 178,747.82 and 55,193.38 is: 82,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,326.40 : 178,747.82 = 55,193.38 : x
  2. Step 2: Convert to fraction form
    119,326.40/178,747.82 = 55,193.38/x
  3. Step 3: Cross multiply
    119,326.40x = 178,747.82 × 55,193.38
  4. Step 4: Simplify right side
    119,326.40x = 9,865,696,353.43
  5. Step 5: Solve for x
    x = 9,865,696,353.43/119,326.40
  6. Step 6: Final answer
    x = 82,678.24

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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.