Home / 133,242.77-183,893.78-84,829.23

Finding the Fourth Proportional to 133,242.77, 183,893.78 and 84,829.23

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Solution

The fourth proportional to 133,242.77, 183,893.78 and 84,829.23 is: 117,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,242.77 : 183,893.78 = 84,829.23 : x
  2. Step 2: Convert to fraction form
    133,242.77/183,893.78 = 84,829.23/x
  3. Step 3: Cross multiply
    133,242.77x = 183,893.78 × 84,829.23
  4. Step 4: Simplify right side
    133,242.77x = 15,599,568,507.28
  5. Step 5: Solve for x
    x = 15,599,568,507.28/133,242.77
  6. Step 6: Final answer
    x = 117,076.28

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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.