Home / 91,063.78-136,612.10-41,167.37

Finding the Fourth Proportional to 91,063.78, 136,612.10 and 41,167.37

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Solution

The fourth proportional to 91,063.78, 136,612.10 and 41,167.37 is: 61,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,063.78 : 136,612.10 = 41,167.37 : x
  2. Step 2: Convert to fraction form
    91,063.78/136,612.10 = 41,167.37/x
  3. Step 3: Cross multiply
    91,063.78x = 136,612.10 × 41,167.37
  4. Step 4: Simplify right side
    91,063.78x = 5,623,961,311.63
  5. Step 5: Solve for x
    x = 5,623,961,311.63/91,063.78
  6. Step 6: Final answer
    x = 61,758.49

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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.