Home / 205,128.87-283,058.66-119,065.02

Finding the Fourth Proportional to 205,128.87, 283,058.66 and 119,065.02

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Solution

The fourth proportional to 205,128.87, 283,058.66 and 119,065.02 is: 164,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,128.87 : 283,058.66 = 119,065.02 : x
  2. Step 2: Convert to fraction form
    205,128.87/283,058.66 = 119,065.02/x
  3. Step 3: Cross multiply
    205,128.87x = 283,058.66 × 119,065.02
  4. Step 4: Simplify right side
    205,128.87x = 33,702,384,418.75
  5. Step 5: Solve for x
    x = 33,702,384,418.75/205,128.87
  6. Step 6: Final answer
    x = 164,298.59

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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.