Home / 136,141.40-204,213.11-47,394.69

Finding the Fourth Proportional to 136,141.40, 204,213.11 and 47,394.69

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Solution

The fourth proportional to 136,141.40, 204,213.11 and 47,394.69 is: 71,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,141.40 : 204,213.11 = 47,394.69 : x
  2. Step 2: Convert to fraction form
    136,141.40/204,213.11 = 47,394.69/x
  3. Step 3: Cross multiply
    136,141.40x = 204,213.11 × 47,394.69
  4. Step 4: Simplify right side
    136,141.40x = 9,678,616,805.41
  5. Step 5: Solve for x
    x = 9,678,616,805.41/136,141.40
  6. Step 6: Final answer
    x = 71,092.39

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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.