Home / 137,023.79-188,920.77-104,797.94

Finding the Fourth Proportional to 137,023.79, 188,920.77 and 104,797.94

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Solution

The fourth proportional to 137,023.79, 188,920.77 and 104,797.94 is: 144,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,023.79 : 188,920.77 = 104,797.94 : x
  2. Step 2: Convert to fraction form
    137,023.79/188,920.77 = 104,797.94/x
  3. Step 3: Cross multiply
    137,023.79x = 188,920.77 × 104,797.94
  4. Step 4: Simplify right side
    137,023.79x = 19,798,507,519.21
  5. Step 5: Solve for x
    x = 19,798,507,519.21/137,023.79
  6. Step 6: Final answer
    x = 144,489.56

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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.