Home / 133,215.36-199,858.68-39,721.92

Finding the Fourth Proportional to 133,215.36, 199,858.68 and 39,721.92

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Solution

The fourth proportional to 133,215.36, 199,858.68 and 39,721.92 is: 59,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,215.36 : 199,858.68 = 39,721.92 : x
  2. Step 2: Convert to fraction form
    133,215.36/199,858.68 = 39,721.92/x
  3. Step 3: Cross multiply
    133,215.36x = 199,858.68 × 39,721.92
  4. Step 4: Simplify right side
    133,215.36x = 7,938,770,498.27
  5. Step 5: Solve for x
    x = 7,938,770,498.27/133,215.36
  6. Step 6: Final answer
    x = 59,593.51

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1.5x scale

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.