Home / 141,395.45-212,082.15-82,193.36

Finding the Fourth Proportional to 141,395.45, 212,082.15 and 82,193.36

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Solution

The fourth proportional to 141,395.45, 212,082.15 and 82,193.36 is: 123,283.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,395.45 : 212,082.15 = 82,193.36 : x
  2. Step 2: Convert to fraction form
    141,395.45/212,082.15 = 82,193.36/x
  3. Step 3: Cross multiply
    141,395.45x = 212,082.15 × 82,193.36
  4. Step 4: Simplify right side
    141,395.45x = 17,431,744,504.52
  5. Step 5: Solve for x
    x = 17,431,744,504.52/141,395.45
  6. Step 6: Final answer
    x = 123,283.63

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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.