Home / 104,391.40-144,057.50-61,949

Finding the Fourth Proportional to 104,391.40, 144,057.50 and 61,949

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Solution

The fourth proportional to 104,391.40, 144,057.50 and 61,949 is: 85,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,391.40 : 144,057.50 = 61,949 : x
  2. Step 2: Convert to fraction form
    104,391.40/144,057.50 = 61,949/x
  3. Step 3: Cross multiply
    104,391.40x = 144,057.50 × 61,949
  4. Step 4: Simplify right side
    104,391.40x = 8,924,218,067.50
  5. Step 5: Solve for x
    x = 8,924,218,067.50/104,391.40
  6. Step 6: Final answer
    x = 85,488.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.