Home / 165,580.24-248,419.74-76,908.28

Finding the Fourth Proportional to 165,580.24, 248,419.74 and 76,908.28

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Solution

The fourth proportional to 165,580.24, 248,419.74 and 76,908.28 is: 115,385.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,580.24 : 248,419.74 = 76,908.28 : x
  2. Step 2: Convert to fraction form
    165,580.24/248,419.74 = 76,908.28/x
  3. Step 3: Cross multiply
    165,580.24x = 248,419.74 × 76,908.28
  4. Step 4: Simplify right side
    165,580.24x = 19,105,534,921.45
  5. Step 5: Solve for x
    x = 19,105,534,921.45/165,580.24
  6. Step 6: Final answer
    x = 115,385.36

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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.