Home / 165,057.12-227,784.29-93,435.66

Finding the Fourth Proportional to 165,057.12, 227,784.29 and 93,435.66

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Solution

The fourth proportional to 165,057.12, 227,784.29 and 93,435.66 is: 128,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,057.12 : 227,784.29 = 93,435.66 : x
  2. Step 2: Convert to fraction form
    165,057.12/227,784.29 = 93,435.66/x
  3. Step 3: Cross multiply
    165,057.12x = 227,784.29 × 93,435.66
  4. Step 4: Simplify right side
    165,057.12x = 21,283,175,473.78
  5. Step 5: Solve for x
    x = 21,283,175,473.78/165,057.12
  6. Step 6: Final answer
    x = 128,944.30

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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.