Home / 120,107.44-165,754.65-69,127.93

Finding the Fourth Proportional to 120,107.44, 165,754.65 and 69,127.93

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Solution

The fourth proportional to 120,107.44, 165,754.65 and 69,127.93 is: 95,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,107.44 : 165,754.65 = 69,127.93 : x
  2. Step 2: Convert to fraction form
    120,107.44/165,754.65 = 69,127.93/x
  3. Step 3: Cross multiply
    120,107.44x = 165,754.65 × 69,127.93
  4. Step 4: Simplify right side
    120,107.44x = 11,458,275,842.37
  5. Step 5: Solve for x
    x = 11,458,275,842.37/120,107.44
  6. Step 6: Final answer
    x = 95,400.22

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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.