Home / 99,084.36-148,633.62-39,920.34

Finding the Fourth Proportional to 99,084.36, 148,633.62 and 39,920.34

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Solution

The fourth proportional to 99,084.36, 148,633.62 and 39,920.34 is: 59,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,084.36 : 148,633.62 = 39,920.34 : x
  2. Step 2: Convert to fraction form
    99,084.36/148,633.62 = 39,920.34/x
  3. Step 3: Cross multiply
    99,084.36x = 148,633.62 × 39,920.34
  4. Step 4: Simplify right side
    99,084.36x = 5,933,504,645.83
  5. Step 5: Solve for x
    x = 5,933,504,645.83/99,084.36
  6. Step 6: Final answer
    x = 59,883.36

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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.