Home / 133,221.30-183,845.44-71,967.51

Finding the Fourth Proportional to 133,221.30, 183,845.44 and 71,967.51

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Solution

The fourth proportional to 133,221.30, 183,845.44 and 71,967.51 is: 99,315.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,221.30 : 183,845.44 = 71,967.51 : x
  2. Step 2: Convert to fraction form
    133,221.30/183,845.44 = 71,967.51/x
  3. Step 3: Cross multiply
    133,221.30x = 183,845.44 × 71,967.51
  4. Step 4: Simplify right side
    133,221.30x = 13,230,899,249.88
  5. Step 5: Solve for x
    x = 13,230,899,249.88/133,221.30
  6. Step 6: Final answer
    x = 99,315.19

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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.